]> git.proxmox.com Git - rustc.git/blame - src/tools/clippy/CHANGELOG.md
Update upstream source from tag 'upstream/1.52.1+dfsg1'
[rustc.git] / src / tools / clippy / CHANGELOG.md
CommitLineData
f20569fa
XL
1# Changelog
2
3All notable changes to this project will be documented in this file.
4See [Changelog Update](doc/changelog_update.md) if you want to update this
5document.
6
7## Unreleased / In Rust Nightly
8
9[3e41797...master](https://github.com/rust-lang/rust-clippy/compare/3e41797...master)
10
11## Rust 1.51
12
13Current beta, release 2021-03-25
14
15[4911ab1...3e41797](https://github.com/rust-lang/rust-clippy/compare/4911ab1...3e41797)
16
17### New Lints
18
19* [`upper_case_acronyms`]
20 [#6475](https://github.com/rust-lang/rust-clippy/pull/6475)
21* [`from_over_into`] [#6476](https://github.com/rust-lang/rust-clippy/pull/6476)
22* [`case_sensitive_file_extension_comparisons`]
23 [#6500](https://github.com/rust-lang/rust-clippy/pull/6500)
24* [`needless_question_mark`]
25 [#6507](https://github.com/rust-lang/rust-clippy/pull/6507)
26* [`missing_panics_doc`]
27 [#6523](https://github.com/rust-lang/rust-clippy/pull/6523)
28* [`redundant_slicing`]
29 [#6528](https://github.com/rust-lang/rust-clippy/pull/6528)
30* [`vec_init_then_push`]
31 [#6538](https://github.com/rust-lang/rust-clippy/pull/6538)
32* [`ptr_as_ptr`] [#6542](https://github.com/rust-lang/rust-clippy/pull/6542)
33* [`collapsible_else_if`] (split out from `collapsible_if`)
34 [#6544](https://github.com/rust-lang/rust-clippy/pull/6544)
35* [`inspect_for_each`] [#6577](https://github.com/rust-lang/rust-clippy/pull/6577)
36* [`manual_filter_map`]
37 [#6591](https://github.com/rust-lang/rust-clippy/pull/6591)
38* [`exhaustive_enums`]
39 [#6617](https://github.com/rust-lang/rust-clippy/pull/6617)
40* [`exhaustive_structs`]
41 [#6617](https://github.com/rust-lang/rust-clippy/pull/6617)
42
43### Moves and Deprecations
44
45* Replace [`find_map`] with [`manual_find_map`]
46 [#6591](https://github.com/rust-lang/rust-clippy/pull/6591)
47* [`unknown_clippy_lints`] Now integrated in the `unknown_lints` rustc lint
48 [#6653](https://github.com/rust-lang/rust-clippy/pull/6653)
49
50### Enhancements
51
52* [`ptr_arg`] Now also suggests to use `&Path` instead of `&PathBuf`
53 [#6506](https://github.com/rust-lang/rust-clippy/pull/6506)
54* [`cast_ptr_alignment`] Also lint when the `pointer::cast` method is used
55 [#6557](https://github.com/rust-lang/rust-clippy/pull/6557)
56* [`collapsible_match`] Now also deals with `&` and `*` operators in the `match`
57 scrutinee [#6619](https://github.com/rust-lang/rust-clippy/pull/6619)
58
59### False Positive Fixes
60
61* [`similar_names`] Ignore underscore prefixed names
62 [#6403](https://github.com/rust-lang/rust-clippy/pull/6403)
63* [`print_literal`] and [`write_literal`] No longer lint numeric literals
64 [#6408](https://github.com/rust-lang/rust-clippy/pull/6408)
65* [`large_enum_variant`] No longer lints in external macros
66 [#6485](https://github.com/rust-lang/rust-clippy/pull/6485)
67* [`empty_enum`] Only lint if `never_type` feature is enabled
68 [#6513](https://github.com/rust-lang/rust-clippy/pull/6513)
69* [`field_reassign_with_default`] No longer lints in macros
70 [#6553](https://github.com/rust-lang/rust-clippy/pull/6553)
71* [`size_of_in_element_count`] No longer lints when dividing by element size
72 [#6578](https://github.com/rust-lang/rust-clippy/pull/6578)
73* [`needless_return`] No longer lints in macros
74 [#6586](https://github.com/rust-lang/rust-clippy/pull/6586)
75* [`match_overlapping_arm`] No longer lint when first arm is completely included
76 in second arm [#6603](https://github.com/rust-lang/rust-clippy/pull/6603)
77* [`doc_markdown`] Add `WebGL` to the default configuration as an allowed
78 identifier [#6605](https://github.com/rust-lang/rust-clippy/pull/6605)
79
80### Suggestion Fixes/Improvements
81
82* [`field_reassign_with_default`] Don't expand macro in lint suggestion
83 [#6531](https://github.com/rust-lang/rust-clippy/pull/6531)
84* [`match_like_matches_macro`] Strip references in suggestion
85 [#6532](https://github.com/rust-lang/rust-clippy/pull/6532)
86* [`single_match`] Suggest `if` over `if let` when possible
87 [#6574](https://github.com/rust-lang/rust-clippy/pull/6574)
88* [`ref_in_deref`] Use parentheses correctly in suggestion
89 [#6609](https://github.com/rust-lang/rust-clippy/pull/6609)
90* [`stable_sort_primitive`] Clarify error message
91 [#6611](https://github.com/rust-lang/rust-clippy/pull/6611)
92
93### ICE Fixes
94
95* [`zero_sized_map_values`]
96 [#6582](https://github.com/rust-lang/rust-clippy/pull/6582)
97
98### Documentation Improvements
99
100* Improve search performance on the Clippy website and make it possible to
101 directly search for lints on the GitHub issue tracker
102 [#6483](https://github.com/rust-lang/rust-clippy/pull/6483)
103* Clean up `README.md` by removing outdated paragraph
104 [#6488](https://github.com/rust-lang/rust-clippy/pull/6488)
105* [`await_holding_refcell_ref`] and [`await_holding_lock`]
106 [#6585](https://github.com/rust-lang/rust-clippy/pull/6585)
107* [`as_conversions`] [#6608](https://github.com/rust-lang/rust-clippy/pull/6608)
108
109### Others
110
111* Clippy now has a [Roadmap] for 2021. If you like to get involved in a bigger
112 project, take a look at the [Roadmap project page]. All issues listed there
113 are actively mentored
114 [#6462](https://github.com/rust-lang/rust-clippy/pull/6462)
115* The Clippy version number now corresponds to the Rust version number
116 [#6526](https://github.com/rust-lang/rust-clippy/pull/6526)
117* Fix oversight which caused Clippy to lint deps in some environments, where
118 `CLIPPY_TESTS=true` was set somewhere
119 [#6575](https://github.com/rust-lang/rust-clippy/pull/6575)
120* Add `cargo dev-lintcheck` tool to the Clippy Dev Tool
121 [#6469](https://github.com/rust-lang/rust-clippy/pull/6469)
122
123[Roadmap]: https://github.com/rust-lang/rust-clippy/blob/master/doc/roadmap-2021.md
124[Roadmap project page]: https://github.com/rust-lang/rust-clippy/projects/3
125
126## Rust 1.50
127
128Current stable, released 2021-02-11
129
130[b20d4c1...4bd77a1](https://github.com/rust-lang/rust-clippy/compare/b20d4c1...4bd77a1)
131
132### New Lints
133
134* [`suspicious_operation_groupings`] [#6086](https://github.com/rust-lang/rust-clippy/pull/6086)
135* [`size_of_in_element_count`] [#6394](https://github.com/rust-lang/rust-clippy/pull/6394)
136* [`unnecessary_wraps`] [#6070](https://github.com/rust-lang/rust-clippy/pull/6070)
137* [`let_underscore_drop`] [#6305](https://github.com/rust-lang/rust-clippy/pull/6305)
138* [`collapsible_match`] [#6402](https://github.com/rust-lang/rust-clippy/pull/6402)
139* [`redundant_else`] [#6330](https://github.com/rust-lang/rust-clippy/pull/6330)
140* [`zero_sized_map_values`] [#6218](https://github.com/rust-lang/rust-clippy/pull/6218)
141* [`print_stderr`] [#6367](https://github.com/rust-lang/rust-clippy/pull/6367)
142* [`string_from_utf8_as_bytes`] [#6134](https://github.com/rust-lang/rust-clippy/pull/6134)
143
144### Moves and Deprecations
145
146* Previously deprecated [`str_to_string`] and [`string_to_string`] have been un-deprecated
147 as `restriction` lints [#6333](https://github.com/rust-lang/rust-clippy/pull/6333)
148* Deprecate [`panic_params`] lint. This is now available in rustc as `panic_fmt`
149 [#6351](https://github.com/rust-lang/rust-clippy/pull/6351)
150* Move [`map_err_ignore`] to `restriction`
151 [#6416](https://github.com/rust-lang/rust-clippy/pull/6416)
152* Move [`await_holding_refcell_ref`] to `pedantic`
153 [#6354](https://github.com/rust-lang/rust-clippy/pull/6354)
154* Move [`await_holding_lock`] to `pedantic`
155 [#6354](https://github.com/rust-lang/rust-clippy/pull/6354)
156
157### Enhancements
158
159* Add the `unreadable-literal-lint-fractions` configuration to disable
160 the `unreadable_literal` lint for fractions
161 [#6421](https://github.com/rust-lang/rust-clippy/pull/6421)
162* [`clone_on_copy`]: Now shows the type in the lint message
163 [#6443](https://github.com/rust-lang/rust-clippy/pull/6443)
164* [`redundant_pattern_matching`]: Now also lints on `std::task::Poll`
165 [#6339](https://github.com/rust-lang/rust-clippy/pull/6339)
166* [`redundant_pattern_matching`]: Additionally also lints on `std::net::IpAddr`
167 [#6377](https://github.com/rust-lang/rust-clippy/pull/6377)
168* [`search_is_some`]: Now suggests `contains` instead of `find(foo).is_some()`
169 [#6119](https://github.com/rust-lang/rust-clippy/pull/6119)
170* [`clone_double_ref`]: Now prints the reference type in the lint message
171 [#6442](https://github.com/rust-lang/rust-clippy/pull/6442)
172* [`modulo_one`]: Now also lints on -1.
173 [#6360](https://github.com/rust-lang/rust-clippy/pull/6360)
174* [`empty_loop`]: Now lints no_std crates, too
175 [#6205](https://github.com/rust-lang/rust-clippy/pull/6205)
176* [`or_fun_call`]: Now also lints when indexing `HashMap` or `BTreeMap`
177 [#6267](https://github.com/rust-lang/rust-clippy/pull/6267)
178* [`wrong_self_convention`]: Now also lints in trait definitions
179 [#6316](https://github.com/rust-lang/rust-clippy/pull/6316)
180* [`needless_borrow`]: Print the type in the lint message
181 [#6449](https://github.com/rust-lang/rust-clippy/pull/6449)
182
183[msrv_readme]: https://github.com/rust-lang/rust-clippy#specifying-the-minimum-supported-rust-version
184
185### False Positive Fixes
186
187* [`manual_range_contains`]: No longer lints in `const fn`
188 [#6382](https://github.com/rust-lang/rust-clippy/pull/6382)
189* [`unnecessary_lazy_evaluations`]: No longer lints if closure argument is used
190 [#6370](https://github.com/rust-lang/rust-clippy/pull/6370)
191* [`match_single_binding`]: Now ignores cases with `#[cfg()]` macros
192 [#6435](https://github.com/rust-lang/rust-clippy/pull/6435)
193* [`match_like_matches_macro`]: No longer lints on arms with attributes
194 [#6290](https://github.com/rust-lang/rust-clippy/pull/6290)
195* [`map_clone`]: No longer lints with deref and clone
196 [#6269](https://github.com/rust-lang/rust-clippy/pull/6269)
197* [`map_clone`]: No longer lints in the case of &mut
198 [#6301](https://github.com/rust-lang/rust-clippy/pull/6301)
199* [`needless_update`]: Now ignores `non_exhaustive` structs
200 [#6464](https://github.com/rust-lang/rust-clippy/pull/6464)
201* [`needless_collect`]: No longer lints when a collect is needed multiple times
202 [#6313](https://github.com/rust-lang/rust-clippy/pull/6313)
203* [`unnecessary_cast`] No longer lints cfg-dependent types
204 [#6369](https://github.com/rust-lang/rust-clippy/pull/6369)
205* [`declare_interior_mutable_const`] and [`borrow_interior_mutable_const`]:
206 Both now ignore enums with frozen variants
207 [#6110](https://github.com/rust-lang/rust-clippy/pull/6110)
208* [`field_reassign_with_default`] No longer lint for private fields
209 [#6537](https://github.com/rust-lang/rust-clippy/pull/6537)
210
211
212### Suggestion Fixes/Improvements
213
214* [`vec_box`]: Provide correct type scope suggestion
215 [#6271](https://github.com/rust-lang/rust-clippy/pull/6271)
216* [`manual_range_contains`]: Give correct suggestion when using floats
217 [#6320](https://github.com/rust-lang/rust-clippy/pull/6320)
218* [`unnecessary_lazy_evaluations`]: Don't always mark suggestion as MachineApplicable
219 [#6272](https://github.com/rust-lang/rust-clippy/pull/6272)
220* [`manual_async_fn`]: Improve suggestion formatting
221 [#6294](https://github.com/rust-lang/rust-clippy/pull/6294)
222* [`unnecessary_cast`]: Fix incorrectly formatted float literal suggestion
223 [#6362](https://github.com/rust-lang/rust-clippy/pull/6362)
224
225### ICE Fixes
226
227* Fix a crash in [`from_iter_instead_of_collect`]
228 [#6304](https://github.com/rust-lang/rust-clippy/pull/6304)
229* Fix a silent crash when parsing doc comments in [`needless_doctest_main`]
230 [#6458](https://github.com/rust-lang/rust-clippy/pull/6458)
231
232### Documentation Improvements
233
234* The lint website search has been improved ([#6477](https://github.com/rust-lang/rust-clippy/pull/6477)):
235 * Searching for lints with dashes and spaces is possible now. For example
236 `missing-errors-doc` and `missing errors doc` are now valid aliases for lint names
237 * Improved fuzzy search in lint descriptions
238* Various README improvements
239 [#6287](https://github.com/rust-lang/rust-clippy/pull/6287)
240* Add known problems to [`comparison_chain`] documentation
241 [#6390](https://github.com/rust-lang/rust-clippy/pull/6390)
242* Fix example used in [`cargo_common_metadata`]
243 [#6293](https://github.com/rust-lang/rust-clippy/pull/6293)
244* Improve [`map_clone`] documentation
245 [#6340](https://github.com/rust-lang/rust-clippy/pull/6340)
246
247### Others
248
249* You can now tell Clippy about the MSRV your project supports. Please refer to
250 the specific README section to learn more about MSRV support [here][msrv_readme]
251 [#6201](https://github.com/rust-lang/rust-clippy/pull/6201)
252* Add `--no-deps` option to avoid running on path dependencies in workspaces
253 [#6188](https://github.com/rust-lang/rust-clippy/pull/6188)
254
255## Rust 1.49
256
257Released 2020-12-31
258
259[e636b88...b20d4c1](https://github.com/rust-lang/rust-clippy/compare/e636b88...b20d4c1)
260
261### New Lints
262
263* [`field_reassign_with_default`] [#5911](https://github.com/rust-lang/rust-clippy/pull/5911)
264* [`await_holding_refcell_ref`] [#6029](https://github.com/rust-lang/rust-clippy/pull/6029)
265* [`disallowed_method`] [#6081](https://github.com/rust-lang/rust-clippy/pull/6081)
266* [`inline_asm_x86_att_syntax`] [#6092](https://github.com/rust-lang/rust-clippy/pull/6092)
267* [`inline_asm_x86_intel_syntax`] [#6092](https://github.com/rust-lang/rust-clippy/pull/6092)
268* [`from_iter_instead_of_collect`] [#6101](https://github.com/rust-lang/rust-clippy/pull/6101)
269* [`mut_mutex_lock`] [#6103](https://github.com/rust-lang/rust-clippy/pull/6103)
270* [`single_element_loop`] [#6109](https://github.com/rust-lang/rust-clippy/pull/6109)
271* [`manual_unwrap_or`] [#6123](https://github.com/rust-lang/rust-clippy/pull/6123)
272* [`large_types_passed_by_value`] [#6135](https://github.com/rust-lang/rust-clippy/pull/6135)
273* [`result_unit_err`] [#6157](https://github.com/rust-lang/rust-clippy/pull/6157)
274* [`ref_option_ref`] [#6165](https://github.com/rust-lang/rust-clippy/pull/6165)
275* [`manual_range_contains`] [#6177](https://github.com/rust-lang/rust-clippy/pull/6177)
276* [`unusual_byte_groupings`] [#6183](https://github.com/rust-lang/rust-clippy/pull/6183)
277* [`comparison_to_empty`] [#6226](https://github.com/rust-lang/rust-clippy/pull/6226)
278* [`map_collect_result_unit`] [#6227](https://github.com/rust-lang/rust-clippy/pull/6227)
279* [`manual_ok_or`] [#6233](https://github.com/rust-lang/rust-clippy/pull/6233)
280
281### Moves and Deprecations
282
283* Rename `single_char_push_str` to [`single_char_add_str`]
284 [#6037](https://github.com/rust-lang/rust-clippy/pull/6037)
285* Rename `zero_width_space` to [`invisible_characters`]
286 [#6105](https://github.com/rust-lang/rust-clippy/pull/6105)
287* Deprecate [`drop_bounds`] (uplifted)
288 [#6111](https://github.com/rust-lang/rust-clippy/pull/6111)
289* Move [`string_lit_as_bytes`] to `nursery`
290 [#6117](https://github.com/rust-lang/rust-clippy/pull/6117)
291* Move [`rc_buffer`] to `restriction`
292 [#6128](https://github.com/rust-lang/rust-clippy/pull/6128)
293
294### Enhancements
295
296* [`manual_memcpy`]: Also lint when there are loop counters (and produce a
297 reliable suggestion)
298 [#5727](https://github.com/rust-lang/rust-clippy/pull/5727)
299* [`single_char_add_str`]: Also lint on `String::insert_str`
300 [#6037](https://github.com/rust-lang/rust-clippy/pull/6037)
301* [`invisible_characters`]: Also lint the characters `\u{AD}` and `\u{2060}`
302 [#6105](https://github.com/rust-lang/rust-clippy/pull/6105)
303* [`eq_op`]: Also lint on the `assert_*!` macro family
304 [#6167](https://github.com/rust-lang/rust-clippy/pull/6167)
305* [`items_after_statements`]: Also lint in local macro expansions
306 [#6176](https://github.com/rust-lang/rust-clippy/pull/6176)
307* [`unnecessary_cast`]: Also lint casts on integer and float literals
308 [#6187](https://github.com/rust-lang/rust-clippy/pull/6187)
309* [`manual_unwrap_or`]: Also lint `Result::unwrap_or`
310 [#6190](https://github.com/rust-lang/rust-clippy/pull/6190)
311* [`match_like_matches_macro`]: Also lint when `match` has more than two arms
312 [#6216](https://github.com/rust-lang/rust-clippy/pull/6216)
313* [`integer_arithmetic`]: Better handle `/` an `%` operators
314 [#6229](https://github.com/rust-lang/rust-clippy/pull/6229)
315
316### False Positive Fixes
317
318* [`needless_lifetimes`]: Bail out if the function has a `where` clause with the
319 lifetime [#5978](https://github.com/rust-lang/rust-clippy/pull/5978)
320* [`explicit_counter_loop`]: No longer lints, when loop counter is used after it
321 is incremented [#6076](https://github.com/rust-lang/rust-clippy/pull/6076)
322* [`or_fun_call`]: Revert changes addressing the handling of `const fn`
323 [#6077](https://github.com/rust-lang/rust-clippy/pull/6077)
324* [`needless_range_loop`]: No longer lints, when the iterable is used in the
325 range [#6102](https://github.com/rust-lang/rust-clippy/pull/6102)
326* [`inconsistent_digit_grouping`]: Fix bug when using floating point exponent
327 [#6104](https://github.com/rust-lang/rust-clippy/pull/6104)
328* [`mistyped_literal_suffixes`]: No longer lints on the fractional part of a
329 float (e.g. `713.32_64`)
330 [#6114](https://github.com/rust-lang/rust-clippy/pull/6114)
331* [`invalid_regex`]: No longer lint on unicode characters within `bytes::Regex`
332 [#6132](https://github.com/rust-lang/rust-clippy/pull/6132)
333* [`boxed_local`]: No longer lints on `extern fn` arguments
334 [#6133](https://github.com/rust-lang/rust-clippy/pull/6133)
335* [`needless_lifetimes`]: Fix regression, where lifetime is used in `where`
336 clause [#6198](https://github.com/rust-lang/rust-clippy/pull/6198)
337
338### Suggestion Fixes/Improvements
339
340* [`unnecessary_sort_by`]: Avoid dereferencing the suggested closure parameter
341 [#6078](https://github.com/rust-lang/rust-clippy/pull/6078)
342* [`needless_arbitrary_self_type`]: Correctly handle expanded code
343 [#6093](https://github.com/rust-lang/rust-clippy/pull/6093)
344* [`useless_format`]: Preserve raw strings in suggestion
345 [#6151](https://github.com/rust-lang/rust-clippy/pull/6151)
346* [`empty_loop`]: Suggest alternatives
347 [#6162](https://github.com/rust-lang/rust-clippy/pull/6162)
348* [`borrowed_box`]: Correctly add parentheses in suggestion
349 [#6200](https://github.com/rust-lang/rust-clippy/pull/6200)
350* [`unused_unit`]: Improve suggestion formatting
351 [#6247](https://github.com/rust-lang/rust-clippy/pull/6247)
352
353### Documentation Improvements
354
355* Some doc improvements:
356 * [`rc_buffer`] [#6090](https://github.com/rust-lang/rust-clippy/pull/6090)
357 * [`empty_loop`] [#6162](https://github.com/rust-lang/rust-clippy/pull/6162)
358* [`doc_markdown`]: Document problematic link text style
359 [#6107](https://github.com/rust-lang/rust-clippy/pull/6107)
360
361## Rust 1.48
362
363Released 2020-11-19
364
365[09bd400...e636b88](https://github.com/rust-lang/rust-clippy/compare/09bd400...e636b88)
366
367### New lints
368
369* [`self_assignment`] [#5894](https://github.com/rust-lang/rust-clippy/pull/5894)
370* [`unnecessary_lazy_evaluations`] [#5720](https://github.com/rust-lang/rust-clippy/pull/5720)
371* [`manual_strip`] [#6038](https://github.com/rust-lang/rust-clippy/pull/6038)
372* [`map_err_ignore`] [#5998](https://github.com/rust-lang/rust-clippy/pull/5998)
373* [`rc_buffer`] [#6044](https://github.com/rust-lang/rust-clippy/pull/6044)
374* [`to_string_in_display`] [#5831](https://github.com/rust-lang/rust-clippy/pull/5831)
375* `single_char_push_str` [#5881](https://github.com/rust-lang/rust-clippy/pull/5881)
376
377### Moves and Deprecations
378
379* Downgrade [`verbose_bit_mask`] to pedantic
380 [#6036](https://github.com/rust-lang/rust-clippy/pull/6036)
381
382### Enhancements
383
384* Extend [`precedence`] to handle chains of methods combined with unary negation
385 [#5928](https://github.com/rust-lang/rust-clippy/pull/5928)
386* [`useless_vec`]: add a configuration value for the maximum allowed size on the stack
387 [#5907](https://github.com/rust-lang/rust-clippy/pull/5907)
388* [`suspicious_arithmetic_impl`]: extend to implementations of `BitAnd`, `BitOr`, `BitXor`, `Rem`, `Shl`, and `Shr`
389 [#5884](https://github.com/rust-lang/rust-clippy/pull/5884)
390* [`invalid_atomic_ordering`]: detect misuse of `compare_exchange`, `compare_exchange_weak`, and `fetch_update`
391 [#6025](https://github.com/rust-lang/rust-clippy/pull/6025)
392* Avoid [`redundant_pattern_matching`] triggering in macros
393 [#6069](https://github.com/rust-lang/rust-clippy/pull/6069)
394* [`option_if_let_else`]: distinguish pure from impure `else` expressions
395 [#5937](https://github.com/rust-lang/rust-clippy/pull/5937)
396* [`needless_doctest_main`]: parse doctests instead of using textual search
397 [#5912](https://github.com/rust-lang/rust-clippy/pull/5912)
398* [`wildcard_imports`]: allow `prelude` to appear in any segment of an import
399 [#5929](https://github.com/rust-lang/rust-clippy/pull/5929)
400* Re-enable [`len_zero`] for ranges now that `range_is_empty` is stable
401 [#5961](https://github.com/rust-lang/rust-clippy/pull/5961)
402* [`option_as_ref_deref`]: catch fully-qualified calls to `Deref::deref` and `DerefMut::deref_mut`
403 [#5933](https://github.com/rust-lang/rust-clippy/pull/5933)
404
405### False Positive Fixes
406
407* [`useless_attribute`]: permit allowing [`wildcard_imports`] and [`enum_glob_use`]
408 [#5994](https://github.com/rust-lang/rust-clippy/pull/5994)
409* [`transmute_ptr_to_ptr`]: avoid suggesting dereferencing raw pointers in const contexts
410 [#5999](https://github.com/rust-lang/rust-clippy/pull/5999)
411* [`redundant_closure_call`]: take into account usages of the closure in nested functions and closures
412 [#5920](https://github.com/rust-lang/rust-clippy/pull/5920)
413* Fix false positive in [`borrow_interior_mutable_const`] when referencing a field behind a pointer
414 [#5949](https://github.com/rust-lang/rust-clippy/pull/5949)
415* [`doc_markdown`]: allow using "GraphQL" without backticks
416 [#5996](https://github.com/rust-lang/rust-clippy/pull/5996)
417* [`to_string_in_display`]: avoid linting when calling `to_string()` on anything that is not `self`
418 [#5971](https://github.com/rust-lang/rust-clippy/pull/5971)
419* [`indexing_slicing`] and [`out_of_bounds_indexing`] treat references to arrays as arrays
420 [#6034](https://github.com/rust-lang/rust-clippy/pull/6034)
421* [`should_implement_trait`]: ignore methods with lifetime parameters
422 [#5725](https://github.com/rust-lang/rust-clippy/pull/5725)
423* [`needless_return`]: avoid linting if a temporary borrows a local variable
424 [#5903](https://github.com/rust-lang/rust-clippy/pull/5903)
425* Restrict [`unnecessary_sort_by`] to non-reference, Copy types
426 [#6006](https://github.com/rust-lang/rust-clippy/pull/6006)
427* Avoid suggesting `from_bits`/`to_bits` in const contexts in [`transmute_int_to_float`]
428 [#5919](https://github.com/rust-lang/rust-clippy/pull/5919)
429* [`declare_interior_mutable_const`] and [`borrow_interior_mutable_const`]: improve detection of interior mutable types
430 [#6046](https://github.com/rust-lang/rust-clippy/pull/6046)
431
432### Suggestion Fixes/Improvements
433
434* [`let_and_return`]: add a cast to the suggestion when the return expression has adjustments
435 [#5946](https://github.com/rust-lang/rust-clippy/pull/5946)
436* [`useless_conversion`]: show the type in the error message
437 [#6035](https://github.com/rust-lang/rust-clippy/pull/6035)
438* [`unnecessary_mut_passed`]: discriminate between functions and methods in the error message
439 [#5892](https://github.com/rust-lang/rust-clippy/pull/5892)
440* [`float_cmp`] and [`float_cmp_const`]: change wording to make margin of error less ambiguous
441 [#6043](https://github.com/rust-lang/rust-clippy/pull/6043)
442* [`default_trait_access`]: do not use unnecessary type parameters in the suggestion
443 [#5993](https://github.com/rust-lang/rust-clippy/pull/5993)
444* [`collapsible_if`]: don't use expanded code in the suggestion
445 [#5992](https://github.com/rust-lang/rust-clippy/pull/5992)
446* Do not suggest empty format strings in [`print_with_newline`] and [`write_with_newline`]
447 [#6042](https://github.com/rust-lang/rust-clippy/pull/6042)
448* [`unit_arg`]: improve the readability of the suggestion
449 [#5931](https://github.com/rust-lang/rust-clippy/pull/5931)
450* [`stable_sort_primitive`]: print the type that is being sorted in the lint message
451 [#5935](https://github.com/rust-lang/rust-clippy/pull/5935)
452* Show line count and max lines in [`too_many_lines`] lint message
453 [#6009](https://github.com/rust-lang/rust-clippy/pull/6009)
454* Keep parentheses in the suggestion of [`useless_conversion`] where applicable
455 [#5900](https://github.com/rust-lang/rust-clippy/pull/5900)
456* [`option_map_unit_fn`] and [`result_map_unit_fn`]: print the unit type `()` explicitly
457 [#6024](https://github.com/rust-lang/rust-clippy/pull/6024)
458* [`redundant_allocation`]: suggest replacing `Rc<Box<T>>` with `Rc<T>`
459 [#5899](https://github.com/rust-lang/rust-clippy/pull/5899)
460* Make lint messages adhere to rustc dev guide conventions
461 [#5893](https://github.com/rust-lang/rust-clippy/pull/5893)
462
463### ICE Fixes
464
465* Fix ICE in [`repeat_once`]
466 [#5948](https://github.com/rust-lang/rust-clippy/pull/5948)
467
468### Documentation Improvements
469
470* [`mutable_key_type`]: explain potential for false positives when the interior mutable type is not accessed in the `Hash` implementation
471 [#6019](https://github.com/rust-lang/rust-clippy/pull/6019)
472* [`unnecessary_mut_passed`]: fix typo
473 [#5913](https://github.com/rust-lang/rust-clippy/pull/5913)
474* Add example of false positive to [`ptr_arg`] docs.
475 [#5885](https://github.com/rust-lang/rust-clippy/pull/5885)
476* [`box_vec`], [`vec_box`] and [`borrowed_box`]: add link to the documentation of `Box`
477 [#6023](https://github.com/rust-lang/rust-clippy/pull/6023)
478
479## Rust 1.47
480
481Released 2020-10-08
482
483[c2c07fa...09bd400](https://github.com/rust-lang/rust-clippy/compare/c2c07fa...09bd400)
484
485### New lints
486
487* [`derive_ord_xor_partial_ord`] [#5848](https://github.com/rust-lang/rust-clippy/pull/5848)
488* [`trait_duplication_in_bounds`] [#5852](https://github.com/rust-lang/rust-clippy/pull/5852)
489* [`map_identity`] [#5694](https://github.com/rust-lang/rust-clippy/pull/5694)
490* [`unit_return_expecting_ord`] [#5737](https://github.com/rust-lang/rust-clippy/pull/5737)
491* [`pattern_type_mismatch`] [#4841](https://github.com/rust-lang/rust-clippy/pull/4841)
492* [`repeat_once`] [#5773](https://github.com/rust-lang/rust-clippy/pull/5773)
493* [`same_item_push`] [#5825](https://github.com/rust-lang/rust-clippy/pull/5825)
494* [`needless_arbitrary_self_type`] [#5869](https://github.com/rust-lang/rust-clippy/pull/5869)
495* [`match_like_matches_macro`] [#5769](https://github.com/rust-lang/rust-clippy/pull/5769)
496* [`stable_sort_primitive`] [#5809](https://github.com/rust-lang/rust-clippy/pull/5809)
497* [`blanket_clippy_restriction_lints`] [#5750](https://github.com/rust-lang/rust-clippy/pull/5750)
498* [`option_if_let_else`] [#5301](https://github.com/rust-lang/rust-clippy/pull/5301)
499
500### Moves and Deprecations
501
502* Deprecate [`regex_macro`] lint
503 [#5760](https://github.com/rust-lang/rust-clippy/pull/5760)
504* Move [`range_minus_one`] to `pedantic`
505 [#5752](https://github.com/rust-lang/rust-clippy/pull/5752)
506
507### Enhancements
508
509* Improve [`needless_collect`] by catching `collect` calls followed by `iter` or `into_iter` calls
510 [#5837](https://github.com/rust-lang/rust-clippy/pull/5837)
511* [`panic`], [`todo`], [`unimplemented`] and [`unreachable`] now detect calls with formatting
512 [#5811](https://github.com/rust-lang/rust-clippy/pull/5811)
513* Detect more cases of [`suboptimal_flops`] and [`imprecise_flops`]
514 [#5443](https://github.com/rust-lang/rust-clippy/pull/5443)
515* Handle asymmetrical implementations of `PartialEq` in [`cmp_owned`]
516 [#5701](https://github.com/rust-lang/rust-clippy/pull/5701)
517* Make it possible to allow [`unsafe_derive_deserialize`]
518 [#5870](https://github.com/rust-lang/rust-clippy/pull/5870)
519* Catch `ord.min(a).max(b)` where a < b in [`min_max`]
520 [#5871](https://github.com/rust-lang/rust-clippy/pull/5871)
521* Make [`clone_on_copy`] suggestion machine applicable
522 [#5745](https://github.com/rust-lang/rust-clippy/pull/5745)
523* Enable [`len_zero`] on ranges now that `is_empty` is stable on them
524 [#5961](https://github.com/rust-lang/rust-clippy/pull/5961)
525
526### False Positive Fixes
527
528* Avoid triggering [`or_fun_call`] with const fns that take no arguments
529 [#5889](https://github.com/rust-lang/rust-clippy/pull/5889)
530* Fix [`redundant_closure_call`] false positive for closures that have multiple calls
531 [#5800](https://github.com/rust-lang/rust-clippy/pull/5800)
532* Don't lint cases involving `ManuallyDrop` in [`redundant_clone`]
533 [#5824](https://github.com/rust-lang/rust-clippy/pull/5824)
534* Treat a single expression the same as a single statement in the 2nd arm of a match in [`single_match_else`]
535 [#5771](https://github.com/rust-lang/rust-clippy/pull/5771)
536* Don't trigger [`unnested_or_patterns`] if the feature `or_patterns` is not enabled
537 [#5758](https://github.com/rust-lang/rust-clippy/pull/5758)
538* Avoid linting if key borrows in [`unnecessary_sort_by`]
539 [#5756](https://github.com/rust-lang/rust-clippy/pull/5756)
540* Consider `Try` impl for `Poll` when generating suggestions in [`try_err`]
541 [#5857](https://github.com/rust-lang/rust-clippy/pull/5857)
542* Take input lifetimes into account in `manual_async_fn`
543 [#5859](https://github.com/rust-lang/rust-clippy/pull/5859)
544* Fix multiple false positives in [`type_repetition_in_bounds`] and add a configuration option
545 [#5761](https://github.com/rust-lang/rust-clippy/pull/5761)
546* Limit the [`suspicious_arithmetic_impl`] lint to one binary operation
547 [#5820](https://github.com/rust-lang/rust-clippy/pull/5820)
548
549### Suggestion Fixes/Improvements
550
551* Improve readability of [`shadow_unrelated`] suggestion by truncating the RHS snippet
552 [#5788](https://github.com/rust-lang/rust-clippy/pull/5788)
553* Suggest `filter_map` instead of `flat_map` when mapping to `Option` in [`map_flatten`]
554 [#5846](https://github.com/rust-lang/rust-clippy/pull/5846)
555* Ensure suggestion is shown correctly for long method call chains in [`iter_nth_zero`]
556 [#5793](https://github.com/rust-lang/rust-clippy/pull/5793)
557* Drop borrow operator in suggestions of [`redundant_pattern_matching`]
558 [#5815](https://github.com/rust-lang/rust-clippy/pull/5815)
559* Add suggestion for [`iter_skip_next`]
560 [#5843](https://github.com/rust-lang/rust-clippy/pull/5843)
561* Improve [`collapsible_if`] fix suggestion
562 [#5732](https://github.com/rust-lang/rust-clippy/pull/5732)
563
564### ICE Fixes
565
566* Fix ICE caused by [`needless_collect`]
567 [#5877](https://github.com/rust-lang/rust-clippy/pull/5877)
568* Fix ICE caused by [`unnested_or_patterns`]
569 [#5784](https://github.com/rust-lang/rust-clippy/pull/5784)
570
571### Documentation Improvements
572
573* Fix grammar of [`await_holding_lock`] documentation
574 [#5748](https://github.com/rust-lang/rust-clippy/pull/5748)
575
576### Others
577
578* Make lints adhere to the rustc dev guide
579 [#5888](https://github.com/rust-lang/rust-clippy/pull/5888)
580
581## Rust 1.46
582
583Released 2020-08-27
584
585[7ea7cd1...c2c07fa](https://github.com/rust-lang/rust-clippy/compare/7ea7cd1...c2c07fa)
586
587### New lints
588
589* [`unnested_or_patterns`] [#5378](https://github.com/rust-lang/rust-clippy/pull/5378)
590* [`iter_next_slice`] [#5597](https://github.com/rust-lang/rust-clippy/pull/5597)
591* [`unnecessary_sort_by`] [#5623](https://github.com/rust-lang/rust-clippy/pull/5623)
592* [`vec_resize_to_zero`] [#5637](https://github.com/rust-lang/rust-clippy/pull/5637)
593
594### Moves and Deprecations
595
596* Move [`cast_ptr_alignment`] to pedantic [#5667](https://github.com/rust-lang/rust-clippy/pull/5667)
597
598### Enhancements
599
600* Improve [`mem_replace_with_uninit`] lint [#5695](https://github.com/rust-lang/rust-clippy/pull/5695)
601
602### False Positive Fixes
603
604* [`len_zero`]: Avoid linting ranges when the `range_is_empty` feature is not enabled
605 [#5656](https://github.com/rust-lang/rust-clippy/pull/5656)
606* [`let_and_return`]: Don't lint if a temporary borrow is involved
607 [#5680](https://github.com/rust-lang/rust-clippy/pull/5680)
608* [`reversed_empty_ranges`]: Avoid linting `N..N` in for loop arguments in
609 [#5692](https://github.com/rust-lang/rust-clippy/pull/5692)
610* [`if_same_then_else`]: Don't assume multiplication is always commutative
611 [#5702](https://github.com/rust-lang/rust-clippy/pull/5702)
612* [`blacklisted_name`]: Remove `bar` from the default configuration
613 [#5712](https://github.com/rust-lang/rust-clippy/pull/5712)
614* [`redundant_pattern_matching`]: Avoid suggesting non-`const fn` calls in const contexts
615 [#5724](https://github.com/rust-lang/rust-clippy/pull/5724)
616
617### Suggestion Fixes/Improvements
618
619* Fix suggestion of [`unit_arg`] lint, so that it suggest semantic equivalent code
620 [#4455](https://github.com/rust-lang/rust-clippy/pull/4455)
621* Add auto applicable suggestion to [`macro_use_imports`]
622 [#5279](https://github.com/rust-lang/rust-clippy/pull/5279)
623
624### ICE Fixes
625
626* Fix ICE in the `consts` module of Clippy [#5709](https://github.com/rust-lang/rust-clippy/pull/5709)
627
628### Documentation Improvements
629
630* Improve code examples across multiple lints [#5664](https://github.com/rust-lang/rust-clippy/pull/5664)
631
632### Others
633
634* Introduce a `--rustc` flag to `clippy-driver`, which turns `clippy-driver`
635 into `rustc` and passes all the given arguments to `rustc`. This is especially
636 useful for tools that need the `rustc` version Clippy was compiled with,
637 instead of the Clippy version. E.g. `clippy-driver --rustc --version` will
638 print the output of `rustc --version`.
639 [#5178](https://github.com/rust-lang/rust-clippy/pull/5178)
640* New issue templates now make it easier to complain if Clippy is too annoying
641 or not annoying enough! [#5735](https://github.com/rust-lang/rust-clippy/pull/5735)
642
643## Rust 1.45
644
645Released 2020-07-16
646
647[891e1a8...7ea7cd1](https://github.com/rust-lang/rust-clippy/compare/891e1a8...7ea7cd1)
648
649### New lints
650
651* [`match_wildcard_for_single_variants`] [#5582](https://github.com/rust-lang/rust-clippy/pull/5582)
652* [`unsafe_derive_deserialize`] [#5493](https://github.com/rust-lang/rust-clippy/pull/5493)
653* [`if_let_mutex`] [#5332](https://github.com/rust-lang/rust-clippy/pull/5332)
654* [`mismatched_target_os`] [#5506](https://github.com/rust-lang/rust-clippy/pull/5506)
655* [`await_holding_lock`] [#5439](https://github.com/rust-lang/rust-clippy/pull/5439)
656* [`match_on_vec_items`] [#5522](https://github.com/rust-lang/rust-clippy/pull/5522)
657* [`manual_async_fn`] [#5576](https://github.com/rust-lang/rust-clippy/pull/5576)
658* [`reversed_empty_ranges`] [#5583](https://github.com/rust-lang/rust-clippy/pull/5583)
659* [`manual_non_exhaustive`] [#5550](https://github.com/rust-lang/rust-clippy/pull/5550)
660
661### Moves and Deprecations
662
663* Downgrade [`match_bool`] to pedantic [#5408](https://github.com/rust-lang/rust-clippy/pull/5408)
664* Downgrade [`match_wild_err_arm`] to pedantic and update help messages. [#5622](https://github.com/rust-lang/rust-clippy/pull/5622)
665* Downgrade [`useless_let_if_seq`] to nursery. [#5599](https://github.com/rust-lang/rust-clippy/pull/5599)
666* Generalize `option_and_then_some` and rename to [`bind_instead_of_map`]. [#5529](https://github.com/rust-lang/rust-clippy/pull/5529)
667* Rename `identity_conversion` to [`useless_conversion`]. [#5568](https://github.com/rust-lang/rust-clippy/pull/5568)
668* Merge `block_in_if_condition_expr` and `block_in_if_condition_stmt` into [`blocks_in_if_conditions`].
669[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
670* Merge `option_map_unwrap_or`, `option_map_unwrap_or_else` and `result_map_unwrap_or_else` into [`map_unwrap_or`].
671[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
672* Merge `option_unwrap_used` and `result_unwrap_used` into [`unwrap_used`].
673[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
674* Merge `option_expect_used` and `result_expect_used` into [`expect_used`].
675[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
676* Merge `for_loop_over_option` and `for_loop_over_result` into [`for_loops_over_fallibles`].
677[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
678
679### Enhancements
680
681* Avoid running cargo lints when not enabled to improve performance. [#5505](https://github.com/rust-lang/rust-clippy/pull/5505)
682* Extend [`useless_conversion`] with `TryFrom` and `TryInto`. [#5631](https://github.com/rust-lang/rust-clippy/pull/5631)
683* Lint also in type parameters and where clauses in [`unused_unit`]. [#5592](https://github.com/rust-lang/rust-clippy/pull/5592)
684* Do not suggest deriving `Default` in [`new_without_default`]. [#5616](https://github.com/rust-lang/rust-clippy/pull/5616)
685
686### False Positive Fixes
687
688* [`while_let_on_iterator`] [#5525](https://github.com/rust-lang/rust-clippy/pull/5525)
689* [`empty_line_after_outer_attr`] [#5609](https://github.com/rust-lang/rust-clippy/pull/5609)
690* [`unnecessary_unwrap`] [#5558](https://github.com/rust-lang/rust-clippy/pull/5558)
691* [`comparison_chain`] [#5596](https://github.com/rust-lang/rust-clippy/pull/5596)
692* Don't trigger [`used_underscore_binding`] in await desugaring. [#5535](https://github.com/rust-lang/rust-clippy/pull/5535)
693* Don't trigger [`borrowed_box`] on mutable references. [#5491](https://github.com/rust-lang/rust-clippy/pull/5491)
694* Allow `1 << 0` in [`identity_op`]. [#5602](https://github.com/rust-lang/rust-clippy/pull/5602)
695* Allow `use super::*;` glob imports in [`wildcard_imports`]. [#5564](https://github.com/rust-lang/rust-clippy/pull/5564)
696* Whitelist more words in [`doc_markdown`]. [#5611](https://github.com/rust-lang/rust-clippy/pull/5611)
697* Skip dev and build deps in [`multiple_crate_versions`]. [#5636](https://github.com/rust-lang/rust-clippy/pull/5636)
698* Honor `allow` attribute on arguments in [`ptr_arg`]. [#5647](https://github.com/rust-lang/rust-clippy/pull/5647)
699* Honor lint level attributes for [`redundant_field_names`], [`just_underscores_and_digits`], [`many_single_char_names`]
700and [`similar_names`]. [#5651](https://github.com/rust-lang/rust-clippy/pull/5651)
701* Ignore calls to `len` in [`or_fun_call`]. [#4429](https://github.com/rust-lang/rust-clippy/pull/4429)
702
703### Suggestion Improvements
704
705* Simplify suggestions in [`manual_memcpy`]. [#5536](https://github.com/rust-lang/rust-clippy/pull/5536)
706* Fix suggestion in [`redundant_pattern_matching`] for macros. [#5511](https://github.com/rust-lang/rust-clippy/pull/5511)
707* Avoid suggesting `copied()` for mutable references in [`map_clone`]. [#5530](https://github.com/rust-lang/rust-clippy/pull/5530)
708* Improve help message for [`clone_double_ref`]. [#5547](https://github.com/rust-lang/rust-clippy/pull/5547)
709
710### ICE Fixes
711
712* Fix ICE caused in unwrap module. [#5590](https://github.com/rust-lang/rust-clippy/pull/5590)
713* Fix ICE on rustc test issue-69020-assoc-const-arith-overflow.rs [#5499](https://github.com/rust-lang/rust-clippy/pull/5499)
714
715### Documentation
716
717* Clarify the documentation of [`unnecessary_mut_passed`]. [#5639](https://github.com/rust-lang/rust-clippy/pull/5639)
718* Extend example for [`unneeded_field_pattern`]. [#5541](https://github.com/rust-lang/rust-clippy/pull/5541)
719
720## Rust 1.44
721
722Released 2020-06-04
723
724[204bb9b...891e1a8](https://github.com/rust-lang/rust-clippy/compare/204bb9b...891e1a8)
725
726### New lints
727
728* [`explicit_deref_methods`] [#5226](https://github.com/rust-lang/rust-clippy/pull/5226)
729* [`implicit_saturating_sub`] [#5427](https://github.com/rust-lang/rust-clippy/pull/5427)
730* [`macro_use_imports`] [#5230](https://github.com/rust-lang/rust-clippy/pull/5230)
731* [`verbose_file_reads`] [#5272](https://github.com/rust-lang/rust-clippy/pull/5272)
732* [`future_not_send`] [#5423](https://github.com/rust-lang/rust-clippy/pull/5423)
733* [`redundant_pub_crate`] [#5319](https://github.com/rust-lang/rust-clippy/pull/5319)
734* [`large_const_arrays`] [#5248](https://github.com/rust-lang/rust-clippy/pull/5248)
735* [`result_map_or_into_option`] [#5415](https://github.com/rust-lang/rust-clippy/pull/5415)
736* [`redundant_allocation`] [#5349](https://github.com/rust-lang/rust-clippy/pull/5349)
737* [`fn_address_comparisons`] [#5294](https://github.com/rust-lang/rust-clippy/pull/5294)
738* [`vtable_address_comparisons`] [#5294](https://github.com/rust-lang/rust-clippy/pull/5294)
739
740
741### Moves and Deprecations
742
743* Deprecate [`replace_consts`] lint [#5380](https://github.com/rust-lang/rust-clippy/pull/5380)
744* Move [`cognitive_complexity`] to nursery [#5428](https://github.com/rust-lang/rust-clippy/pull/5428)
745* Move [`useless_transmute`] to nursery [#5364](https://github.com/rust-lang/rust-clippy/pull/5364)
746* Downgrade [`inefficient_to_string`] to pedantic [#5412](https://github.com/rust-lang/rust-clippy/pull/5412)
747* Downgrade [`option_option`] to pedantic [#5401](https://github.com/rust-lang/rust-clippy/pull/5401)
748* Downgrade [`unreadable_literal`] to pedantic [#5419](https://github.com/rust-lang/rust-clippy/pull/5419)
749* Downgrade [`let_unit_value`] to pedantic [#5409](https://github.com/rust-lang/rust-clippy/pull/5409)
750* Downgrade [`trivially_copy_pass_by_ref`] to pedantic [#5410](https://github.com/rust-lang/rust-clippy/pull/5410)
751* Downgrade [`implicit_hasher`] to pedantic [#5411](https://github.com/rust-lang/rust-clippy/pull/5411)
752
753### Enhancements
754
755* On _nightly_ you can now use `cargo clippy --fix -Z unstable-options` to
756 auto-fix lints that support this [#5363](https://github.com/rust-lang/rust-clippy/pull/5363)
757* Make [`redundant_clone`] also trigger on cases where the cloned value is not
758 consumed. [#5304](https://github.com/rust-lang/rust-clippy/pull/5304)
759* Expand [`integer_arithmetic`] to also disallow bit-shifting [#5430](https://github.com/rust-lang/rust-clippy/pull/5430)
760* [`option_as_ref_deref`] now detects more deref cases [#5425](https://github.com/rust-lang/rust-clippy/pull/5425)
761* [`large_enum_variant`] now report the sizes of the largest and second-largest variants [#5466](https://github.com/rust-lang/rust-clippy/pull/5466)
762* [`bool_comparison`] now also checks for inequality comparisons that can be
763 written more concisely [#5365](https://github.com/rust-lang/rust-clippy/pull/5365)
764* Expand [`clone_on_copy`] to work in method call arguments as well [#5441](https://github.com/rust-lang/rust-clippy/pull/5441)
765* [`redundant_pattern_matching`] now also handles `while let` [#5483](https://github.com/rust-lang/rust-clippy/pull/5483)
766* [`integer_arithmetic`] now also lints references of integers [#5329](https://github.com/rust-lang/rust-clippy/pull/5329)
767* Expand [`float_cmp_const`] to also work on arrays [#5345](https://github.com/rust-lang/rust-clippy/pull/5345)
768* Trigger [`map_flatten`] when map is called on an `Option` [#5473](https://github.com/rust-lang/rust-clippy/pull/5473)
769
770### False Positive Fixes
771
772* [`many_single_char_names`] [#5468](https://github.com/rust-lang/rust-clippy/pull/5468)
773* [`should_implement_trait`] [#5437](https://github.com/rust-lang/rust-clippy/pull/5437)
774* [`unused_self`] [#5387](https://github.com/rust-lang/rust-clippy/pull/5387)
775* [`redundant_clone`] [#5453](https://github.com/rust-lang/rust-clippy/pull/5453)
776* [`precedence`] [#5445](https://github.com/rust-lang/rust-clippy/pull/5445)
777* [`suspicious_op_assign_impl`] [#5424](https://github.com/rust-lang/rust-clippy/pull/5424)
778* [`needless_lifetimes`] [#5293](https://github.com/rust-lang/rust-clippy/pull/5293)
779* [`redundant_pattern`] [#5287](https://github.com/rust-lang/rust-clippy/pull/5287)
780* [`inconsistent_digit_grouping`] [#5451](https://github.com/rust-lang/rust-clippy/pull/5451)
781
782
783### Suggestion Improvements
784
785* Improved [`question_mark`] lint suggestion so that it doesn't add redundant `as_ref()` [#5481](https://github.com/rust-lang/rust-clippy/pull/5481)
786* Improve the suggested placeholder in [`option_map_unit_fn`] [#5292](https://github.com/rust-lang/rust-clippy/pull/5292)
787* Improve suggestion for [`match_single_binding`] when triggered inside a closure [#5350](https://github.com/rust-lang/rust-clippy/pull/5350)
788
789### ICE Fixes
790
791* Handle the unstable `trivial_bounds` feature [#5296](https://github.com/rust-lang/rust-clippy/pull/5296)
792* `shadow_*` lints [#5297](https://github.com/rust-lang/rust-clippy/pull/5297)
793
794### Documentation
795
796* Fix documentation generation for configurable lints [#5353](https://github.com/rust-lang/rust-clippy/pull/5353)
797* Update documentation for [`new_ret_no_self`] [#5448](https://github.com/rust-lang/rust-clippy/pull/5448)
798* The documentation for [`option_option`] now suggest using a tri-state enum [#5403](https://github.com/rust-lang/rust-clippy/pull/5403)
799* Fix bit mask example in [`verbose_bit_mask`] documentation [#5454](https://github.com/rust-lang/rust-clippy/pull/5454)
800* [`wildcard_imports`] documentation now mentions that `use ...::prelude::*` is
801 not linted [#5312](https://github.com/rust-lang/rust-clippy/pull/5312)
802
803## Rust 1.43
804
805Released 2020-04-23
806
807[4ee1206...204bb9b](https://github.com/rust-lang/rust-clippy/compare/4ee1206...204bb9b)
808
809### New lints
810
811* [`imprecise_flops`] [#4897](https://github.com/rust-lang/rust-clippy/pull/4897)
812* [`suboptimal_flops`] [#4897](https://github.com/rust-lang/rust-clippy/pull/4897)
813* [`wildcard_imports`] [#5029](https://github.com/rust-lang/rust-clippy/pull/5029)
814* [`single_component_path_imports`] [#5058](https://github.com/rust-lang/rust-clippy/pull/5058)
815* [`match_single_binding`] [#5061](https://github.com/rust-lang/rust-clippy/pull/5061)
816* [`let_underscore_lock`] [#5101](https://github.com/rust-lang/rust-clippy/pull/5101)
817* [`struct_excessive_bools`] [#5125](https://github.com/rust-lang/rust-clippy/pull/5125)
818* [`fn_params_excessive_bools`] [#5125](https://github.com/rust-lang/rust-clippy/pull/5125)
819* [`option_env_unwrap`] [#5148](https://github.com/rust-lang/rust-clippy/pull/5148)
820* [`lossy_float_literal`] [#5202](https://github.com/rust-lang/rust-clippy/pull/5202)
821* [`rest_pat_in_fully_bound_structs`] [#5258](https://github.com/rust-lang/rust-clippy/pull/5258)
822
823### Moves and Deprecations
824
825* Move [`unneeded_field_pattern`] to pedantic group [#5200](https://github.com/rust-lang/rust-clippy/pull/5200)
826
827### Enhancements
828
829* Make [`missing_errors_doc`] lint also trigger on `async` functions
830 [#5181](https://github.com/rust-lang/rust-clippy/pull/5181)
831* Add more constants to [`approx_constant`] [#5193](https://github.com/rust-lang/rust-clippy/pull/5193)
832* Extend [`question_mark`] lint [#5266](https://github.com/rust-lang/rust-clippy/pull/5266)
833
834### False Positive Fixes
835
836* [`use_debug`] [#5047](https://github.com/rust-lang/rust-clippy/pull/5047)
837* [`unnecessary_unwrap`] [#5132](https://github.com/rust-lang/rust-clippy/pull/5132)
838* [`zero_prefixed_literal`] [#5170](https://github.com/rust-lang/rust-clippy/pull/5170)
839* [`missing_const_for_fn`] [#5216](https://github.com/rust-lang/rust-clippy/pull/5216)
840
841### Suggestion Improvements
842
843* Improve suggestion when blocks of code are suggested [#5134](https://github.com/rust-lang/rust-clippy/pull/5134)
844
845### ICE Fixes
846
847* `misc_early` lints [#5129](https://github.com/rust-lang/rust-clippy/pull/5129)
848* [`missing_errors_doc`] [#5213](https://github.com/rust-lang/rust-clippy/pull/5213)
849* Fix ICE when evaluating `usize`s [#5256](https://github.com/rust-lang/rust-clippy/pull/5256)
850
851### Documentation
852
853* Improve documentation of [`iter_nth_zero`]
854* Add documentation pages for stable releases [#5171](https://github.com/rust-lang/rust-clippy/pull/5171)
855
856### Others
857
858* Clippy now completely runs on GitHub Actions [#5190](https://github.com/rust-lang/rust-clippy/pull/5190)
859
860
861## Rust 1.42
862
863Released 2020-03-12
864
865[69f99e7...4ee1206](https://github.com/rust-lang/rust-clippy/compare/69f99e7...4ee1206)
866
867### New lints
868
869* [`filetype_is_file`] [#4543](https://github.com/rust-lang/rust-clippy/pull/4543)
870* [`let_underscore_must_use`] [#4823](https://github.com/rust-lang/rust-clippy/pull/4823)
871* [`modulo_arithmetic`] [#4867](https://github.com/rust-lang/rust-clippy/pull/4867)
872* [`mem_replace_with_default`] [#4881](https://github.com/rust-lang/rust-clippy/pull/4881)
873* [`mutable_key_type`] [#4885](https://github.com/rust-lang/rust-clippy/pull/4885)
874* [`option_as_ref_deref`] [#4945](https://github.com/rust-lang/rust-clippy/pull/4945)
875* [`wildcard_in_or_patterns`] [#4960](https://github.com/rust-lang/rust-clippy/pull/4960)
876* [`iter_nth_zero`] [#4966](https://github.com/rust-lang/rust-clippy/pull/4966)
877* [`invalid_atomic_ordering`] [#4999](https://github.com/rust-lang/rust-clippy/pull/4999)
878* [`skip_while_next`] [#5067](https://github.com/rust-lang/rust-clippy/pull/5067)
879
880### Moves and Deprecations
881
882* Move [`transmute_float_to_int`] from nursery to complexity group
883 [#5015](https://github.com/rust-lang/rust-clippy/pull/5015)
884* Move [`range_plus_one`] to pedantic group [#5057](https://github.com/rust-lang/rust-clippy/pull/5057)
885* Move [`debug_assert_with_mut_call`] to nursery group [#5106](https://github.com/rust-lang/rust-clippy/pull/5106)
886* Deprecate [`unused_label`] [#4930](https://github.com/rust-lang/rust-clippy/pull/4930)
887
888### Enhancements
889
890* Lint vectored IO in [`unused_io_amount`] [#5027](https://github.com/rust-lang/rust-clippy/pull/5027)
891* Make [`vec_box`] configurable by adding a size threshold [#5081](https://github.com/rust-lang/rust-clippy/pull/5081)
892* Also lint constants in [`cmp_nan`] [#4910](https://github.com/rust-lang/rust-clippy/pull/4910)
893* Fix false negative in [`expect_fun_call`] [#4915](https://github.com/rust-lang/rust-clippy/pull/4915)
894* Fix false negative in [`redundant_clone`] [#5017](https://github.com/rust-lang/rust-clippy/pull/5017)
895
896### False Positive Fixes
897
898* [`map_clone`] [#4937](https://github.com/rust-lang/rust-clippy/pull/4937)
899* [`replace_consts`] [#4977](https://github.com/rust-lang/rust-clippy/pull/4977)
900* [`let_and_return`] [#5008](https://github.com/rust-lang/rust-clippy/pull/5008)
901* [`eq_op`] [#5079](https://github.com/rust-lang/rust-clippy/pull/5079)
902* [`possible_missing_comma`] [#5083](https://github.com/rust-lang/rust-clippy/pull/5083)
903* [`debug_assert_with_mut_call`] [#5106](https://github.com/rust-lang/rust-clippy/pull/5106)
904* Don't trigger [`let_underscore_must_use`] in external macros
905 [#5082](https://github.com/rust-lang/rust-clippy/pull/5082)
906* Don't trigger [`empty_loop`] in `no_std` crates [#5086](https://github.com/rust-lang/rust-clippy/pull/5086)
907
908### Suggestion Improvements
909
910* `option_map_unwrap_or` [#4634](https://github.com/rust-lang/rust-clippy/pull/4634)
911* [`wildcard_enum_match_arm`] [#4934](https://github.com/rust-lang/rust-clippy/pull/4934)
912* [`cognitive_complexity`] [#4935](https://github.com/rust-lang/rust-clippy/pull/4935)
913* [`decimal_literal_representation`] [#4956](https://github.com/rust-lang/rust-clippy/pull/4956)
914* [`unknown_clippy_lints`] [#4963](https://github.com/rust-lang/rust-clippy/pull/4963)
915* [`explicit_into_iter_loop`] [#4978](https://github.com/rust-lang/rust-clippy/pull/4978)
916* [`useless_attribute`] [#5022](https://github.com/rust-lang/rust-clippy/pull/5022)
917* [`if_let_some_result`] [#5032](https://github.com/rust-lang/rust-clippy/pull/5032)
918
919### ICE fixes
920
921* [`unsound_collection_transmute`] [#4975](https://github.com/rust-lang/rust-clippy/pull/4975)
922
923### Documentation
924
925* Improve documentation of [`empty_enum`], [`replace_consts`], [`redundant_clone`], and [`iterator_step_by_zero`]
926
927
928## Rust 1.41
929
930Released 2020-01-30
931
932[c8e3cfb...69f99e7](https://github.com/rust-lang/rust-clippy/compare/c8e3cfb...69f99e7)
933
934* New Lints:
935 * [`exit`] [#4697](https://github.com/rust-lang/rust-clippy/pull/4697)
936 * [`to_digit_is_some`] [#4801](https://github.com/rust-lang/rust-clippy/pull/4801)
937 * [`tabs_in_doc_comments`] [#4806](https://github.com/rust-lang/rust-clippy/pull/4806)
938 * [`large_stack_arrays`] [#4807](https://github.com/rust-lang/rust-clippy/pull/4807)
939 * [`same_functions_in_if_condition`] [#4814](https://github.com/rust-lang/rust-clippy/pull/4814)
940 * [`zst_offset`] [#4816](https://github.com/rust-lang/rust-clippy/pull/4816)
941 * [`as_conversions`] [#4821](https://github.com/rust-lang/rust-clippy/pull/4821)
942 * [`missing_errors_doc`] [#4884](https://github.com/rust-lang/rust-clippy/pull/4884)
943 * [`transmute_float_to_int`] [#4889](https://github.com/rust-lang/rust-clippy/pull/4889)
944* Remove plugin interface, see
945 [Inside Rust Blog](https://blog.rust-lang.org/inside-rust/2019/11/04/Clippy-removes-plugin-interface.html) for
946 details [#4714](https://github.com/rust-lang/rust-clippy/pull/4714)
947* Move [`use_self`] to nursery group [#4863](https://github.com/rust-lang/rust-clippy/pull/4863)
948* Deprecate [`into_iter_on_array`] [#4788](https://github.com/rust-lang/rust-clippy/pull/4788)
949* Expand [`string_lit_as_bytes`] to also trigger when literal has escapes
950 [#4808](https://github.com/rust-lang/rust-clippy/pull/4808)
951* Fix false positive in `comparison_chain` [#4842](https://github.com/rust-lang/rust-clippy/pull/4842)
952* Fix false positive in `while_immutable_condition` [#4730](https://github.com/rust-lang/rust-clippy/pull/4730)
953* Fix false positive in `explicit_counter_loop` [#4803](https://github.com/rust-lang/rust-clippy/pull/4803)
954* Fix false positive in `must_use_candidate` [#4794](https://github.com/rust-lang/rust-clippy/pull/4794)
955* Fix false positive in `print_with_newline` and `write_with_newline`
956 [#4769](https://github.com/rust-lang/rust-clippy/pull/4769)
957* Fix false positive in `derive_hash_xor_eq` [#4766](https://github.com/rust-lang/rust-clippy/pull/4766)
958* Fix false positive in `missing_inline_in_public_items` [#4870](https://github.com/rust-lang/rust-clippy/pull/4870)
959* Fix false positive in `string_add` [#4880](https://github.com/rust-lang/rust-clippy/pull/4880)
960* Fix false positive in `float_arithmetic` [#4851](https://github.com/rust-lang/rust-clippy/pull/4851)
961* Fix false positive in `cast_sign_loss` [#4883](https://github.com/rust-lang/rust-clippy/pull/4883)
962* Fix false positive in `manual_swap` [#4877](https://github.com/rust-lang/rust-clippy/pull/4877)
963* Fix ICEs occurring while checking some block expressions [#4772](https://github.com/rust-lang/rust-clippy/pull/4772)
964* Fix ICE in `use_self` [#4776](https://github.com/rust-lang/rust-clippy/pull/4776)
965* Fix ICEs related to `const_generics` [#4780](https://github.com/rust-lang/rust-clippy/pull/4780)
966* Display help when running `clippy-driver` without arguments, instead of ICEing
967 [#4810](https://github.com/rust-lang/rust-clippy/pull/4810)
968* Clippy has its own ICE message now [#4588](https://github.com/rust-lang/rust-clippy/pull/4588)
969* Show deprecated lints in the documentation again [#4757](https://github.com/rust-lang/rust-clippy/pull/4757)
970* Improve Documentation by adding positive examples to some lints
971 [#4832](https://github.com/rust-lang/rust-clippy/pull/4832)
972
973## Rust 1.40
974
975Released 2019-12-19
976
977[4e7e71b...c8e3cfb](https://github.com/rust-lang/rust-clippy/compare/4e7e71b...c8e3cfb)
978
979* New Lints:
980 * [`unneeded_wildcard_pattern`] [#4537](https://github.com/rust-lang/rust-clippy/pull/4537)
981 * [`needless_doctest_main`] [#4603](https://github.com/rust-lang/rust-clippy/pull/4603)
982 * [`suspicious_unary_op_formatting`] [#4615](https://github.com/rust-lang/rust-clippy/pull/4615)
983 * [`debug_assert_with_mut_call`] [#4680](https://github.com/rust-lang/rust-clippy/pull/4680)
984 * [`unused_self`] [#4619](https://github.com/rust-lang/rust-clippy/pull/4619)
985 * [`inefficient_to_string`] [#4683](https://github.com/rust-lang/rust-clippy/pull/4683)
986 * [`must_use_unit`] [#4560](https://github.com/rust-lang/rust-clippy/pull/4560)
987 * [`must_use_candidate`] [#4560](https://github.com/rust-lang/rust-clippy/pull/4560)
988 * [`double_must_use`] [#4560](https://github.com/rust-lang/rust-clippy/pull/4560)
989 * [`comparison_chain`] [#4569](https://github.com/rust-lang/rust-clippy/pull/4569)
990 * [`unsound_collection_transmute`] [#4592](https://github.com/rust-lang/rust-clippy/pull/4592)
991 * [`panic`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
992 * [`unreachable`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
993 * [`todo`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
994 * `option_expect_used` [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
995 * `result_expect_used` [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
996* Move `redundant_clone` to perf group [#4509](https://github.com/rust-lang/rust-clippy/pull/4509)
997* Move `manual_mul_add` to nursery group [#4736](https://github.com/rust-lang/rust-clippy/pull/4736)
998* Expand `unit_cmp` to also work with `assert_eq!`, `debug_assert_eq!`, `assert_ne!` and `debug_assert_ne!` [#4613](https://github.com/rust-lang/rust-clippy/pull/4613)
999* Expand `integer_arithmetic` to also detect mutating arithmetic like `+=` [#4585](https://github.com/rust-lang/rust-clippy/pull/4585)
1000* Fix false positive in `nonminimal_bool` [#4568](https://github.com/rust-lang/rust-clippy/pull/4568)
1001* Fix false positive in `missing_safety_doc` [#4611](https://github.com/rust-lang/rust-clippy/pull/4611)
1002* Fix false positive in `cast_sign_loss` [#4614](https://github.com/rust-lang/rust-clippy/pull/4614)
1003* Fix false positive in `redundant_clone` [#4509](https://github.com/rust-lang/rust-clippy/pull/4509)
1004* Fix false positive in `try_err` [#4721](https://github.com/rust-lang/rust-clippy/pull/4721)
1005* Fix false positive in `toplevel_ref_arg` [#4570](https://github.com/rust-lang/rust-clippy/pull/4570)
1006* Fix false positive in `multiple_inherent_impl` [#4593](https://github.com/rust-lang/rust-clippy/pull/4593)
1007* Improve more suggestions and tests in preparation for the unstable `cargo fix --clippy` [#4575](https://github.com/rust-lang/rust-clippy/pull/4575)
1008* Improve suggestion for `zero_ptr` [#4599](https://github.com/rust-lang/rust-clippy/pull/4599)
1009* Improve suggestion for `explicit_counter_loop` [#4691](https://github.com/rust-lang/rust-clippy/pull/4691)
1010* Improve suggestion for `mul_add` [#4602](https://github.com/rust-lang/rust-clippy/pull/4602)
1011* Improve suggestion for `assertions_on_constants` [#4635](https://github.com/rust-lang/rust-clippy/pull/4635)
1012* Fix ICE in `use_self` [#4671](https://github.com/rust-lang/rust-clippy/pull/4671)
1013* Fix ICE when encountering const casts [#4590](https://github.com/rust-lang/rust-clippy/pull/4590)
1014
1015## Rust 1.39
1016
1017Released 2019-11-07
1018
1019[3aea860...4e7e71b](https://github.com/rust-lang/rust-clippy/compare/3aea860...4e7e71b)
1020
1021* New Lints:
1022 * [`uninit_assumed_init`] [#4479](https://github.com/rust-lang/rust-clippy/pull/4479)
1023 * [`flat_map_identity`] [#4231](https://github.com/rust-lang/rust-clippy/pull/4231)
1024 * [`missing_safety_doc`] [#4535](https://github.com/rust-lang/rust-clippy/pull/4535)
1025 * [`mem_replace_with_uninit`] [#4511](https://github.com/rust-lang/rust-clippy/pull/4511)
1026 * [`suspicious_map`] [#4394](https://github.com/rust-lang/rust-clippy/pull/4394)
1027 * `option_and_then_some` [#4386](https://github.com/rust-lang/rust-clippy/pull/4386)
1028 * [`manual_saturating_arithmetic`] [#4498](https://github.com/rust-lang/rust-clippy/pull/4498)
1029* Deprecate `unused_collect` lint. This is fully covered by rustc's `#[must_use]` on `collect` [#4348](https://github.com/rust-lang/rust-clippy/pull/4348)
1030* Move `type_repetition_in_bounds` to pedantic group [#4403](https://github.com/rust-lang/rust-clippy/pull/4403)
1031* Move `cast_lossless` to pedantic group [#4539](https://github.com/rust-lang/rust-clippy/pull/4539)
1032* `temporary_cstring_as_ptr` now catches more cases [#4425](https://github.com/rust-lang/rust-clippy/pull/4425)
1033* `use_self` now works in constructors, too [#4525](https://github.com/rust-lang/rust-clippy/pull/4525)
1034* `cargo_common_metadata` now checks for license files [#4518](https://github.com/rust-lang/rust-clippy/pull/4518)
1035* `cognitive_complexity` now includes the measured complexity in the warning message [#4469](https://github.com/rust-lang/rust-clippy/pull/4469)
1036* Fix false positives in `block_in_if_*` lints [#4458](https://github.com/rust-lang/rust-clippy/pull/4458)
1037* Fix false positive in `cast_lossless` [#4473](https://github.com/rust-lang/rust-clippy/pull/4473)
1038* Fix false positive in `clone_on_copy` [#4411](https://github.com/rust-lang/rust-clippy/pull/4411)
1039* Fix false positive in `deref_addrof` [#4487](https://github.com/rust-lang/rust-clippy/pull/4487)
1040* Fix false positive in `too_many_lines` [#4490](https://github.com/rust-lang/rust-clippy/pull/4490)
1041* Fix false positive in `new_ret_no_self` [#4365](https://github.com/rust-lang/rust-clippy/pull/4365)
1042* Fix false positive in `manual_swap` [#4478](https://github.com/rust-lang/rust-clippy/pull/4478)
1043* Fix false positive in `missing_const_for_fn` [#4450](https://github.com/rust-lang/rust-clippy/pull/4450)
1044* Fix false positive in `extra_unused_lifetimes` [#4477](https://github.com/rust-lang/rust-clippy/pull/4477)
1045* Fix false positive in `inherent_to_string` [#4460](https://github.com/rust-lang/rust-clippy/pull/4460)
1046* Fix false positive in `map_entry` [#4495](https://github.com/rust-lang/rust-clippy/pull/4495)
1047* Fix false positive in `unused_unit` [#4445](https://github.com/rust-lang/rust-clippy/pull/4445)
1048* Fix false positive in `redundant_pattern` [#4489](https://github.com/rust-lang/rust-clippy/pull/4489)
1049* Fix false positive in `wrong_self_convention` [#4369](https://github.com/rust-lang/rust-clippy/pull/4369)
1050* Improve various suggestions and tests in preparation for the unstable `cargo fix --clippy` [#4558](https://github.com/rust-lang/rust-clippy/pull/4558)
1051* Improve suggestions for `redundant_pattern_matching` [#4352](https://github.com/rust-lang/rust-clippy/pull/4352)
1052* Improve suggestions for `explicit_write` [#4544](https://github.com/rust-lang/rust-clippy/pull/4544)
1053* Improve suggestion for `or_fun_call` [#4522](https://github.com/rust-lang/rust-clippy/pull/4522)
1054* Improve suggestion for `match_as_ref` [#4446](https://github.com/rust-lang/rust-clippy/pull/4446)
1055* Improve suggestion for `unnecessary_fold_span` [#4382](https://github.com/rust-lang/rust-clippy/pull/4382)
1056* Add suggestions for `unseparated_literal_suffix` [#4401](https://github.com/rust-lang/rust-clippy/pull/4401)
1057* Add suggestions for `char_lit_as_u8` [#4418](https://github.com/rust-lang/rust-clippy/pull/4418)
1058
1059## Rust 1.38
1060
1061Released 2019-09-26
1062
1063[e3cb40e...3aea860](https://github.com/rust-lang/rust-clippy/compare/e3cb40e...3aea860)
1064
1065* New Lints:
1066 * [`main_recursion`] [#4203](https://github.com/rust-lang/rust-clippy/pull/4203)
1067 * [`inherent_to_string`] [#4259](https://github.com/rust-lang/rust-clippy/pull/4259)
1068 * [`inherent_to_string_shadow_display`] [#4259](https://github.com/rust-lang/rust-clippy/pull/4259)
1069 * [`type_repetition_in_bounds`] [#3766](https://github.com/rust-lang/rust-clippy/pull/3766)
1070 * [`try_err`] [#4222](https://github.com/rust-lang/rust-clippy/pull/4222)
1071* Move `{unnnecessary,panicking}_unwrap` out of nursery [#4307](https://github.com/rust-lang/rust-clippy/pull/4307)
1072* Extend the `use_self` lint to suggest uses of `Self::Variant` [#4308](https://github.com/rust-lang/rust-clippy/pull/4308)
1073* Improve suggestion for needless return [#4262](https://github.com/rust-lang/rust-clippy/pull/4262)
1074* Add auto-fixable suggestion for `let_unit` [#4337](https://github.com/rust-lang/rust-clippy/pull/4337)
1075* Fix false positive in `pub_enum_variant_names` and `enum_variant_names` [#4345](https://github.com/rust-lang/rust-clippy/pull/4345)
1076* Fix false positive in `cast_ptr_alignment` [#4257](https://github.com/rust-lang/rust-clippy/pull/4257)
1077* Fix false positive in `string_lit_as_bytes` [#4233](https://github.com/rust-lang/rust-clippy/pull/4233)
1078* Fix false positive in `needless_lifetimes` [#4266](https://github.com/rust-lang/rust-clippy/pull/4266)
1079* Fix false positive in `float_cmp` [#4275](https://github.com/rust-lang/rust-clippy/pull/4275)
1080* Fix false positives in `needless_return` [#4274](https://github.com/rust-lang/rust-clippy/pull/4274)
1081* Fix false negative in `match_same_arms` [#4246](https://github.com/rust-lang/rust-clippy/pull/4246)
1082* Fix incorrect suggestion for `needless_bool` [#4335](https://github.com/rust-lang/rust-clippy/pull/4335)
1083* Improve suggestion for `cast_ptr_alignment` [#4257](https://github.com/rust-lang/rust-clippy/pull/4257)
1084* Improve suggestion for `single_char_literal` [#4361](https://github.com/rust-lang/rust-clippy/pull/4361)
1085* Improve suggestion for `len_zero` [#4314](https://github.com/rust-lang/rust-clippy/pull/4314)
1086* Fix ICE in `implicit_hasher` [#4268](https://github.com/rust-lang/rust-clippy/pull/4268)
1087* Fix allow bug in `trivially_copy_pass_by_ref` [#4250](https://github.com/rust-lang/rust-clippy/pull/4250)
1088
1089## Rust 1.37
1090
1091Released 2019-08-15
1092
1093[082cfa7...e3cb40e](https://github.com/rust-lang/rust-clippy/compare/082cfa7...e3cb40e)
1094
1095* New Lints:
1096 * [`checked_conversions`] [#4088](https://github.com/rust-lang/rust-clippy/pull/4088)
1097 * [`get_last_with_len`] [#3832](https://github.com/rust-lang/rust-clippy/pull/3832)
1098 * [`integer_division`] [#4195](https://github.com/rust-lang/rust-clippy/pull/4195)
1099* Renamed Lint: `const_static_lifetime` is now called [`redundant_static_lifetimes`].
1100 The lint now covers statics in addition to consts [#4162](https://github.com/rust-lang/rust-clippy/pull/4162)
1101* [`match_same_arms`] now warns for all identical arms, instead of only the first one [#4102](https://github.com/rust-lang/rust-clippy/pull/4102)
1102* [`needless_return`] now works with void functions [#4220](https://github.com/rust-lang/rust-clippy/pull/4220)
1103* Fix false positive in [`redundant_closure`] [#4190](https://github.com/rust-lang/rust-clippy/pull/4190)
1104* Fix false positive in [`useless_attribute`] [#4107](https://github.com/rust-lang/rust-clippy/pull/4107)
1105* Fix incorrect suggestion for [`float_cmp`] [#4214](https://github.com/rust-lang/rust-clippy/pull/4214)
1106* Add suggestions for [`print_with_newline`] and [`write_with_newline`] [#4136](https://github.com/rust-lang/rust-clippy/pull/4136)
1107* Improve suggestions for `option_map_unwrap_or_else` and `result_map_unwrap_or_else` [#4164](https://github.com/rust-lang/rust-clippy/pull/4164)
1108* Improve suggestions for [`non_ascii_literal`] [#4119](https://github.com/rust-lang/rust-clippy/pull/4119)
1109* Improve diagnostics for [`let_and_return`] [#4137](https://github.com/rust-lang/rust-clippy/pull/4137)
1110* Improve diagnostics for [`trivially_copy_pass_by_ref`] [#4071](https://github.com/rust-lang/rust-clippy/pull/4071)
1111* Add macro check for [`unreadable_literal`] [#4099](https://github.com/rust-lang/rust-clippy/pull/4099)
1112
1113## Rust 1.36
1114
1115Released 2019-07-04
1116
1117[eb9f9b1...082cfa7](https://github.com/rust-lang/rust-clippy/compare/eb9f9b1...082cfa7)
1118
1119* New lints: [`find_map`], [`filter_map_next`] [#4039](https://github.com/rust-lang/rust-clippy/pull/4039)
1120* New lint: [`path_buf_push_overwrite`] [#3954](https://github.com/rust-lang/rust-clippy/pull/3954)
1121* Move `path_buf_push_overwrite` to the nursery [#4013](https://github.com/rust-lang/rust-clippy/pull/4013)
1122* Split [`redundant_closure`] into [`redundant_closure`] and [`redundant_closure_for_method_calls`] [#4110](https://github.com/rust-lang/rust-clippy/pull/4101)
1123* Allow allowing of [`toplevel_ref_arg`] lint [#4007](https://github.com/rust-lang/rust-clippy/pull/4007)
1124* Fix false negative in [`or_fun_call`] pertaining to nested constructors [#4084](https://github.com/rust-lang/rust-clippy/pull/4084)
1125* Fix false positive in [`or_fun_call`] pertaining to enum variant constructors [#4018](https://github.com/rust-lang/rust-clippy/pull/4018)
1126* Fix false positive in [`useless_let_if_seq`] pertaining to interior mutability [#4035](https://github.com/rust-lang/rust-clippy/pull/4035)
1127* Fix false positive in [`redundant_closure`] pertaining to non-function types [#4008](https://github.com/rust-lang/rust-clippy/pull/4008)
1128* Fix false positive in [`let_and_return`] pertaining to attributes on `let`s [#4024](https://github.com/rust-lang/rust-clippy/pull/4024)
1129* Fix false positive in [`module_name_repetitions`] lint pertaining to attributes [#4006](https://github.com/rust-lang/rust-clippy/pull/4006)
1130* Fix false positive on [`assertions_on_constants`] pertaining to `debug_assert!` [#3989](https://github.com/rust-lang/rust-clippy/pull/3989)
1131* Improve suggestion in [`map_clone`] to suggest `.copied()` where applicable [#3970](https://github.com/rust-lang/rust-clippy/pull/3970) [#4043](https://github.com/rust-lang/rust-clippy/pull/4043)
1132* Improve suggestion for [`search_is_some`] [#4049](https://github.com/rust-lang/rust-clippy/pull/4049)
1133* Improve suggestion applicability for [`naive_bytecount`] [#3984](https://github.com/rust-lang/rust-clippy/pull/3984)
1134* Improve suggestion applicability for [`while_let_loop`] [#3975](https://github.com/rust-lang/rust-clippy/pull/3975)
1135* Improve diagnostics for [`too_many_arguments`] [#4053](https://github.com/rust-lang/rust-clippy/pull/4053)
1136* Improve diagnostics for [`cast_lossless`] [#4021](https://github.com/rust-lang/rust-clippy/pull/4021)
1137* Deal with macro checks in desugarings better [#4082](https://github.com/rust-lang/rust-clippy/pull/4082)
1138* Add macro check for [`unnecessary_cast`] [#4026](https://github.com/rust-lang/rust-clippy/pull/4026)
1139* Remove [`approx_constant`]'s documentation's "Known problems" section. [#4027](https://github.com/rust-lang/rust-clippy/pull/4027)
1140* Fix ICE in [`suspicious_else_formatting`] [#3960](https://github.com/rust-lang/rust-clippy/pull/3960)
1141* Fix ICE in [`decimal_literal_representation`] [#3931](https://github.com/rust-lang/rust-clippy/pull/3931)
1142
1143
1144## Rust 1.35
1145
1146Released 2019-05-20
1147
1148[1fac380..37f5c1e](https://github.com/rust-lang/rust-clippy/compare/1fac380...37f5c1e)
1149
1150* New lint: [`drop_bounds`] to detect `T: Drop` bounds
1151* Split [`redundant_closure`] into [`redundant_closure`] and [`redundant_closure_for_method_calls`] [#4110](https://github.com/rust-lang/rust-clippy/pull/4101)
1152* Rename `cyclomatic_complexity` to [`cognitive_complexity`], start work on making lint more practical for Rust code
1153* Move [`get_unwrap`] to the restriction category
1154* Improve suggestions for [`iter_cloned_collect`]
1155* Improve suggestions for [`cast_lossless`] to suggest suffixed literals
1156* Fix false positives in [`print_with_newline`] and [`write_with_newline`] pertaining to raw strings
1157* Fix false positive in [`needless_range_loop`] pertaining to structs without a `.iter()`
1158* Fix false positive in [`bool_comparison`] pertaining to non-bool types
1159* Fix false positive in [`redundant_closure`] pertaining to differences in borrows
1160* Fix false positive in `option_map_unwrap_or` on non-copy types
1161* Fix false positives in [`missing_const_for_fn`] pertaining to macros and trait method impls
1162* Fix false positive in [`needless_pass_by_value`] pertaining to procedural macros
1163* Fix false positive in [`needless_continue`] pertaining to loop labels
1164* Fix false positive for [`boxed_local`] pertaining to arguments moved into closures
1165* Fix false positive for [`use_self`] in nested functions
1166* Fix suggestion for [`expect_fun_call`] (https://github.com/rust-lang/rust-clippy/pull/3846)
1167* Fix suggestion for [`explicit_counter_loop`] to deal with parenthesizing range variables
1168* Fix suggestion for [`single_char_pattern`] to correctly escape single quotes
1169* Avoid triggering [`redundant_closure`] in macros
1170* ICE fixes: [#3805](https://github.com/rust-lang/rust-clippy/pull/3805), [#3772](https://github.com/rust-lang/rust-clippy/pull/3772), [#3741](https://github.com/rust-lang/rust-clippy/pull/3741)
1171
1172## Rust 1.34
1173
1174Released 2019-04-10
1175
1176[1b89724...1fac380](https://github.com/rust-lang/rust-clippy/compare/1b89724...1fac380)
1177
1178* New lint: [`assertions_on_constants`] to detect for example `assert!(true)`
1179* New lint: [`dbg_macro`] to detect uses of the `dbg!` macro
1180* New lint: [`missing_const_for_fn`] that can suggest functions to be made `const`
1181* New lint: [`too_many_lines`] to detect functions with excessive LOC. It can be
1182 configured using the `too-many-lines-threshold` configuration.
1183* New lint: [`wildcard_enum_match_arm`] to check for wildcard enum matches using `_`
1184* Expand `redundant_closure` to also work for methods (not only functions)
1185* Fix ICEs in `vec_box`, `needless_pass_by_value` and `implicit_hasher`
1186* Fix false positive in `cast_sign_loss`
1187* Fix false positive in `integer_arithmetic`
1188* Fix false positive in `unit_arg`
1189* Fix false positives in `implicit_return`
1190* Add suggestion to `explicit_write`
1191* Improve suggestions for `question_mark` lint
1192* Fix incorrect suggestion for `cast_lossless`
1193* Fix incorrect suggestion for `expect_fun_call`
1194* Fix incorrect suggestion for `needless_bool`
1195* Fix incorrect suggestion for `needless_range_loop`
1196* Fix incorrect suggestion for `use_self`
1197* Fix incorrect suggestion for `while_let_on_iterator`
1198* Clippy is now slightly easier to invoke in non-cargo contexts. See
1199 [#3665][pull3665] for more details.
1200* We now have [improved documentation][adding_lints] on how to add new lints
1201
1202## Rust 1.33
1203
1204Released 2019-02-26
1205
1206[b2601be...1b89724](https://github.com/rust-lang/rust-clippy/compare/b2601be...1b89724)
1207
1208* New lints: [`implicit_return`], [`vec_box`], [`cast_ref_to_mut`]
1209* The `rust-clippy` repository is now part of the `rust-lang` org.
1210* Rename `stutter` to `module_name_repetitions`
1211* Merge `new_without_default_derive` into `new_without_default` lint
1212* Move `large_digit_groups` from `style` group to `pedantic`
1213* Expand `bool_comparison` to check for `<`, `<=`, `>`, `>=`, and `!=`
1214 comparisons against booleans
1215* Expand `no_effect` to detect writes to constants such as `A_CONST.field = 2`
1216* Expand `redundant_clone` to work on struct fields
1217* Expand `suspicious_else_formatting` to detect `if .. {..} {..}`
1218* Expand `use_self` to work on tuple structs and also in local macros
1219* Fix ICE in `result_map_unit_fn` and `option_map_unit_fn`
1220* Fix false positives in `implicit_return`
1221* Fix false positives in `use_self`
1222* Fix false negative in `clone_on_copy`
1223* Fix false positive in `doc_markdown`
1224* Fix false positive in `empty_loop`
1225* Fix false positive in `if_same_then_else`
1226* Fix false positive in `infinite_iter`
1227* Fix false positive in `question_mark`
1228* Fix false positive in `useless_asref`
1229* Fix false positive in `wildcard_dependencies`
1230* Fix false positive in `write_with_newline`
1231* Add suggestion to `explicit_write`
1232* Improve suggestions for `question_mark` lint
1233* Fix incorrect suggestion for `get_unwrap`
1234
1235## Rust 1.32
1236
1237Released 2019-01-17
1238
1239[2e26fdc2...b2601be](https://github.com/rust-lang/rust-clippy/compare/2e26fdc2...b2601be)
1240
1241* New lints: [`slow_vector_initialization`], [`mem_discriminant_non_enum`],
1242 [`redundant_clone`], [`wildcard_dependencies`],
1243 [`into_iter_on_ref`], [`into_iter_on_array`], [`deprecated_cfg_attr`],
1244 [`mem_discriminant_non_enum`], [`cargo_common_metadata`]
1245* Add support for `u128` and `i128` to integer related lints
1246* Add float support to `mistyped_literal_suffixes`
1247* Fix false positives in `use_self`
1248* Fix false positives in `missing_comma`
1249* Fix false positives in `new_ret_no_self`
1250* Fix false positives in `possible_missing_comma`
1251* Fix false positive in `integer_arithmetic` in constant items
1252* Fix false positive in `needless_borrow`
1253* Fix false positive in `out_of_bounds_indexing`
1254* Fix false positive in `new_without_default_derive`
1255* Fix false positive in `string_lit_as_bytes`
1256* Fix false negative in `out_of_bounds_indexing`
1257* Fix false negative in `use_self`. It will now also check existential types
1258* Fix incorrect suggestion for `redundant_closure_call`
1259* Fix various suggestions that contained expanded macros
1260* Fix `bool_comparison` triggering 3 times on on on the same code
1261* Expand `trivially_copy_pass_by_ref` to work on trait methods
1262* Improve suggestion for `needless_range_loop`
1263* Move `needless_pass_by_value` from `pedantic` group to `style`
1264
1265## Rust 1.31
1266
1267Released 2018-12-06
1268
1269[125907ad..2e26fdc2](https://github.com/rust-lang/rust-clippy/compare/125907ad..2e26fdc2)
1270
1271* Clippy has been relicensed under a dual MIT / Apache license.
1272 See [#3093](https://github.com/rust-lang/rust-clippy/issues/3093) for more
1273 information.
1274* With Rust 1.31, Clippy is no longer available via crates.io. The recommended
1275 installation method is via `rustup component add clippy`.
1276* New lints: [`redundant_pattern_matching`], [`unnecessary_filter_map`],
1277 [`unused_unit`], [`map_flatten`], [`mem_replace_option_with_none`]
1278* Fix ICE in `if_let_redundant_pattern_matching`
1279* Fix ICE in `needless_pass_by_value` when encountering a generic function
1280 argument with a lifetime parameter
1281* Fix ICE in `needless_range_loop`
1282* Fix ICE in `single_char_pattern` when encountering a constant value
1283* Fix false positive in `assign_op_pattern`
1284* Fix false positive in `boxed_local` on trait implementations
1285* Fix false positive in `cmp_owned`
1286* Fix false positive in `collapsible_if` when conditionals have comments
1287* Fix false positive in `double_parens`
1288* Fix false positive in `excessive_precision`
1289* Fix false positive in `explicit_counter_loop`
1290* Fix false positive in `fn_to_numeric_cast_with_truncation`
1291* Fix false positive in `map_clone`
1292* Fix false positive in `new_ret_no_self`
1293* Fix false positive in `new_without_default` when `new` is unsafe
1294* Fix false positive in `type_complexity` when using extern types
1295* Fix false positive in `useless_format`
1296* Fix false positive in `wrong_self_convention`
1297* Fix incorrect suggestion for `excessive_precision`
1298* Fix incorrect suggestion for `expect_fun_call`
1299* Fix incorrect suggestion for `get_unwrap`
1300* Fix incorrect suggestion for `useless_format`
1301* `fn_to_numeric_cast_with_truncation` lint can be disabled again
1302* Improve suggestions for `manual_memcpy`
1303* Improve help message for `needless_lifetimes`
1304
1305## Rust 1.30
1306
1307Released 2018-10-25
1308
1309[14207503...125907ad](https://github.com/rust-lang/rust-clippy/compare/14207503...125907ad)
1310
1311* Deprecate `assign_ops` lint
1312* New lints: [`mistyped_literal_suffixes`], [`ptr_offset_with_cast`],
1313 [`needless_collect`], [`copy_iterator`]
1314* `cargo clippy -V` now includes the Clippy commit hash of the Rust
1315 Clippy component
1316* Fix ICE in `implicit_hasher`
1317* Fix ICE when encountering `println!("{}" a);`
1318* Fix ICE when encountering a macro call in match statements
1319* Fix false positive in `default_trait_access`
1320* Fix false positive in `trivially_copy_pass_by_ref`
1321* Fix false positive in `similar_names`
1322* Fix false positive in `redundant_field_name`
1323* Fix false positive in `expect_fun_call`
1324* Fix false negative in `identity_conversion`
1325* Fix false negative in `explicit_counter_loop`
1326* Fix `range_plus_one` suggestion and false negative
1327* `print_with_newline` / `write_with_newline`: don't warn about string with several `\n`s in them
1328* Fix `useless_attribute` to also whitelist `unused_extern_crates`
1329* Fix incorrect suggestion for `single_char_pattern`
1330* Improve suggestion for `identity_conversion` lint
1331* Move `explicit_iter_loop` and `explicit_into_iter_loop` from `style` group to `pedantic`
1332* Move `range_plus_one` and `range_minus_one` from `nursery` group to `complexity`
1333* Move `shadow_unrelated` from `restriction` group to `pedantic`
1334* Move `indexing_slicing` from `pedantic` group to `restriction`
1335
1336## Rust 1.29
1337
1338Released 2018-09-13
1339
1340[v0.0.212...14207503](https://github.com/rust-lang/rust-clippy/compare/v0.0.212...14207503)
1341
1342* :tada: :tada: **Rust 1.29 is the first stable Rust that includes a bundled Clippy** :tada:
1343 :tada:
1344 You can now run `rustup component add clippy-preview` and then `cargo
1345 clippy` to run Clippy. This should put an end to the continuous nightly
1346 upgrades for Clippy users.
1347* Clippy now follows the Rust versioning scheme instead of its own
1348* Fix ICE when encountering a `while let (..) = x.iter()` construct
1349* Fix false positives in `use_self`
1350* Fix false positive in `trivially_copy_pass_by_ref`
1351* Fix false positive in `useless_attribute` lint
1352* Fix false positive in `print_literal`
1353* Fix `use_self` regressions
1354* Improve lint message for `neg_cmp_op_on_partial_ord`
1355* Improve suggestion highlight for `single_char_pattern`
1356* Improve suggestions for various print/write macro lints
1357* Improve website header
1358
1359## 0.0.212 (2018-07-10)
1360* Rustup to *rustc 1.29.0-nightly (e06c87544 2018-07-06)*
1361
1362## 0.0.211
1363* Rustup to *rustc 1.28.0-nightly (e3bf634e0 2018-06-28)*
1364
1365## 0.0.210
1366* Rustup to *rustc 1.28.0-nightly (01cc982e9 2018-06-24)*
1367
1368## 0.0.209
1369* Rustup to *rustc 1.28.0-nightly (523097979 2018-06-18)*
1370
1371## 0.0.208
1372* Rustup to *rustc 1.28.0-nightly (86a8f1a63 2018-06-17)*
1373
1374## 0.0.207
1375* Rustup to *rustc 1.28.0-nightly (2a0062974 2018-06-09)*
1376
1377## 0.0.206
1378* Rustup to *rustc 1.28.0-nightly (5bf68db6e 2018-05-28)*
1379
1380## 0.0.205
1381* Rustup to *rustc 1.28.0-nightly (990d8aa74 2018-05-25)*
1382* Rename `unused_lifetimes` to `extra_unused_lifetimes` because of naming conflict with new rustc lint
1383
1384## 0.0.204
1385* Rustup to *rustc 1.28.0-nightly (71e87be38 2018-05-22)*
1386
1387## 0.0.203
1388* Rustup to *rustc 1.28.0-nightly (a3085756e 2018-05-19)*
1389* Clippy attributes are now of the form `clippy::cyclomatic_complexity` instead of `clippy(cyclomatic_complexity)`
1390
1391## 0.0.202
1392* Rustup to *rustc 1.28.0-nightly (952f344cd 2018-05-18)*
1393
1394## 0.0.201
1395* Rustup to *rustc 1.27.0-nightly (2f2a11dfc 2018-05-16)*
1396
1397## 0.0.200
1398* Rustup to *rustc 1.27.0-nightly (9fae15374 2018-05-13)*
1399
1400## 0.0.199
1401* Rustup to *rustc 1.27.0-nightly (ff2ac35db 2018-05-12)*
1402
1403## 0.0.198
1404* Rustup to *rustc 1.27.0-nightly (acd3871ba 2018-05-10)*
1405
1406## 0.0.197
1407* Rustup to *rustc 1.27.0-nightly (428ea5f6b 2018-05-06)*
1408
1409## 0.0.196
1410* Rustup to *rustc 1.27.0-nightly (e82261dfb 2018-05-03)*
1411
1412## 0.0.195
1413* Rustup to *rustc 1.27.0-nightly (ac3c2288f 2018-04-18)*
1414
1415## 0.0.194
1416* Rustup to *rustc 1.27.0-nightly (bd40cbbe1 2018-04-14)*
1417* New lints: [`cast_ptr_alignment`], [`transmute_ptr_to_ptr`], [`write_literal`], [`write_with_newline`], [`writeln_empty_string`]
1418
1419## 0.0.193
1420* Rustup to *rustc 1.27.0-nightly (eeea94c11 2018-04-06)*
1421
1422## 0.0.192
1423* Rustup to *rustc 1.27.0-nightly (fb44b4c0e 2018-04-04)*
1424* New lint: [`print_literal`]
1425
1426## 0.0.191
1427* Rustup to *rustc 1.26.0-nightly (ae544ee1c 2018-03-29)*
1428* Lint audit; categorize lints as style, correctness, complexity, pedantic, nursery, restriction.
1429
1430## 0.0.190
1431* Fix a bunch of intermittent cargo bugs
1432
1433## 0.0.189
1434* Rustup to *rustc 1.26.0-nightly (5508b2714 2018-03-18)*
1435
1436## 0.0.188
1437* Rustup to *rustc 1.26.0-nightly (392645394 2018-03-15)*
1438* New lint: [`while_immutable_condition`]
1439
1440## 0.0.187
1441* Rustup to *rustc 1.26.0-nightly (322d7f7b9 2018-02-25)*
1442* New lints: [`redundant_field_names`], [`suspicious_arithmetic_impl`], [`suspicious_op_assign_impl`]
1443
1444## 0.0.186
1445* Rustup to *rustc 1.25.0-nightly (0c6091fbd 2018-02-04)*
1446* Various false positive fixes
1447
1448## 0.0.185
1449* Rustup to *rustc 1.25.0-nightly (56733bc9f 2018-02-01)*
1450* New lint: [`question_mark`]
1451
1452## 0.0.184
1453* Rustup to *rustc 1.25.0-nightly (90eb44a58 2018-01-29)*
1454* New lints: [`double_comparisons`], [`empty_line_after_outer_attr`]
1455
1456## 0.0.183
1457* Rustup to *rustc 1.25.0-nightly (21882aad7 2018-01-28)*
1458* New lint: [`misaligned_transmute`]
1459
1460## 0.0.182
1461* Rustup to *rustc 1.25.0-nightly (a0dcecff9 2018-01-24)*
1462* New lint: [`decimal_literal_representation`]
1463
1464## 0.0.181
1465* Rustup to *rustc 1.25.0-nightly (97520ccb1 2018-01-21)*
1466* New lints: [`else_if_without_else`], [`option_option`], [`unit_arg`], [`unnecessary_fold`]
1467* Removed `unit_expr`
1468* Various false positive fixes for [`needless_pass_by_value`]
1469
1470## 0.0.180
1471* Rustup to *rustc 1.25.0-nightly (3f92e8d89 2018-01-14)*
1472
1473## 0.0.179
1474* Rustup to *rustc 1.25.0-nightly (61452e506 2018-01-09)*
1475
1476## 0.0.178
1477* Rustup to *rustc 1.25.0-nightly (ee220daca 2018-01-07)*
1478
1479## 0.0.177
1480* Rustup to *rustc 1.24.0-nightly (250b49205 2017-12-21)*
1481* New lint: [`match_as_ref`]
1482
1483## 0.0.176
1484* Rustup to *rustc 1.24.0-nightly (0077d128d 2017-12-14)*
1485
1486## 0.0.175
1487* Rustup to *rustc 1.24.0-nightly (bb42071f6 2017-12-01)*
1488
1489## 0.0.174
1490* Rustup to *rustc 1.23.0-nightly (63739ab7b 2017-11-21)*
1491
1492## 0.0.173
1493* Rustup to *rustc 1.23.0-nightly (33374fa9d 2017-11-20)*
1494
1495## 0.0.172
1496* Rustup to *rustc 1.23.0-nightly (d0f8e2913 2017-11-16)*
1497
1498## 0.0.171
1499* Rustup to *rustc 1.23.0-nightly (ff0f5de3b 2017-11-14)*
1500
1501## 0.0.170
1502* Rustup to *rustc 1.23.0-nightly (d6b06c63a 2017-11-09)*
1503
1504## 0.0.169
1505* Rustup to *rustc 1.23.0-nightly (3b82e4c74 2017-11-05)*
1506* New lints: [`just_underscores_and_digits`], `result_map_unwrap_or_else`, [`transmute_bytes_to_str`]
1507
1508## 0.0.168
1509* Rustup to *rustc 1.23.0-nightly (f0fe716db 2017-10-30)*
1510
1511## 0.0.167
1512* Rustup to *rustc 1.23.0-nightly (90ef3372e 2017-10-29)*
1513* New lints: `const_static_lifetime`, [`erasing_op`], [`fallible_impl_from`], [`println_empty_string`], [`useless_asref`]
1514
1515## 0.0.166
1516* Rustup to *rustc 1.22.0-nightly (b7960878b 2017-10-18)*
1517* New lints: [`explicit_write`], `identity_conversion`, [`implicit_hasher`], [`invalid_ref`], [`option_map_or_none`],
1518 [`range_minus_one`], [`range_plus_one`], [`transmute_int_to_bool`], [`transmute_int_to_char`],
1519 [`transmute_int_to_float`]
1520
1521## 0.0.165
1522* Rust upgrade to rustc 1.22.0-nightly (0e6f4cf51 2017-09-27)
1523* New lint: [`mut_range_bound`]
1524
1525## 0.0.164
1526* Update to *rustc 1.22.0-nightly (6c476ce46 2017-09-25)*
1527* New lint: [`int_plus_one`]
1528
1529## 0.0.163
1530* Update to *rustc 1.22.0-nightly (14039a42a 2017-09-22)*
1531
1532## 0.0.162
1533* Update to *rustc 1.22.0-nightly (0701b37d9 2017-09-18)*
1534* New lint: [`chars_last_cmp`]
1535* Improved suggestions for [`needless_borrow`], [`ptr_arg`],
1536
1537## 0.0.161
1538* Update to *rustc 1.22.0-nightly (539f2083d 2017-09-13)*
1539
1540## 0.0.160
1541* Update to *rustc 1.22.0-nightly (dd08c3070 2017-09-12)*
1542
1543## 0.0.159
1544* Update to *rustc 1.22.0-nightly (eba374fb2 2017-09-11)*
1545* New lint: [`clone_on_ref_ptr`]
1546
1547## 0.0.158
1548* New lint: [`manual_memcpy`]
1549* [`cast_lossless`] no longer has redundant parentheses in its suggestions
1550* Update to *rustc 1.22.0-nightly (dead08cb3 2017-09-08)*
1551
1552## 0.0.157 - 2017-09-04
1553* Update to *rustc 1.22.0-nightly (981ce7d8d 2017-09-03)*
1554* New lint: `unit_expr`
1555
1556## 0.0.156 - 2017-09-03
1557* Update to *rustc 1.22.0-nightly (744dd6c1d 2017-09-02)*
1558
1559## 0.0.155
1560* Update to *rustc 1.21.0-nightly (c11f689d2 2017-08-29)*
1561* New lint: [`infinite_iter`], [`maybe_infinite_iter`], [`cast_lossless`]
1562
1563## 0.0.154
1564* Update to *rustc 1.21.0-nightly (2c0558f63 2017-08-24)*
1565* Fix [`use_self`] triggering inside derives
1566* Add support for linting an entire workspace with `cargo clippy --all`
1567* New lint: [`naive_bytecount`]
1568
1569## 0.0.153
1570* Update to *rustc 1.21.0-nightly (8c303ed87 2017-08-20)*
1571* New lint: [`use_self`]
1572
1573## 0.0.152
1574* Update to *rustc 1.21.0-nightly (df511d554 2017-08-14)*
1575
1576## 0.0.151
1577* Update to *rustc 1.21.0-nightly (13d94d5fa 2017-08-10)*
1578
1579## 0.0.150
1580* Update to *rustc 1.21.0-nightly (215e0b10e 2017-08-08)*
1581
1582## 0.0.148
1583* Update to *rustc 1.21.0-nightly (37c7d0ebb 2017-07-31)*
1584* New lints: [`unreadable_literal`], [`inconsistent_digit_grouping`], [`large_digit_groups`]
1585
1586## 0.0.147
1587* Update to *rustc 1.21.0-nightly (aac223f4f 2017-07-30)*
1588
1589## 0.0.146
1590* Update to *rustc 1.21.0-nightly (52a330969 2017-07-27)*
1591* Fixes false positives in `inline_always`
1592* Fixes false negatives in `panic_params`
1593
1594## 0.0.145
1595* Update to *rustc 1.20.0-nightly (afe145d22 2017-07-23)*
1596
1597## 0.0.144
1598* Update to *rustc 1.20.0-nightly (086eaa78e 2017-07-15)*
1599
1600## 0.0.143
1601* Update to *rustc 1.20.0-nightly (d84693b93 2017-07-09)*
1602* Fix `cargo clippy` crashing on `dylib` projects
1603* Fix false positives around `nested_while_let` and `never_loop`
1604
1605## 0.0.142
1606* Update to *rustc 1.20.0-nightly (067971139 2017-07-02)*
1607
1608## 0.0.141
1609* Rewrite of the `doc_markdown` lint.
1610* Deprecated [`range_step_by_zero`]
1611* New lint: [`iterator_step_by_zero`]
1612* New lint: [`needless_borrowed_reference`]
1613* Update to *rustc 1.20.0-nightly (69c65d296 2017-06-28)*
1614
1615## 0.0.140 - 2017-06-16
1616* Update to *rustc 1.19.0-nightly (258ae6dd9 2017-06-15)*
1617
1618## 0.0.139 — 2017-06-10
1619* Update to *rustc 1.19.0-nightly (4bf5c99af 2017-06-10)*
1620* Fix bugs with for loop desugaring
1621* Check for [`AsRef`]/[`AsMut`] arguments in [`wrong_self_convention`]
1622
1623## 0.0.138 — 2017-06-05
1624* Update to *rustc 1.19.0-nightly (0418fa9d3 2017-06-04)*
1625
1626## 0.0.137 — 2017-06-05
1627* Update to *rustc 1.19.0-nightly (6684d176c 2017-06-03)*
1628
1629## 0.0.136 — 2017—05—26
1630* Update to *rustc 1.19.0-nightly (557967766 2017-05-26)*
1631
1632## 0.0.135 — 2017—05—24
1633* Update to *rustc 1.19.0-nightly (5b13bff52 2017-05-23)*
1634
1635## 0.0.134 — 2017—05—19
1636* Update to *rustc 1.19.0-nightly (0ed1ec9f9 2017-05-18)*
1637
1638## 0.0.133 — 2017—05—14
1639* Update to *rustc 1.19.0-nightly (826d8f385 2017-05-13)*
1640
1641## 0.0.132 — 2017—05—05
1642* Fix various bugs and some ices
1643
1644## 0.0.131 — 2017—05—04
1645* Update to *rustc 1.19.0-nightly (2d4ed8e0c 2017-05-03)*
1646
1647## 0.0.130 — 2017—05—03
1648* Update to *rustc 1.19.0-nightly (6a5fc9eec 2017-05-02)*
1649
1650## 0.0.129 — 2017-05-01
1651* Update to *rustc 1.19.0-nightly (06fb4d256 2017-04-30)*
1652
1653## 0.0.128 — 2017-04-28
1654* Update to *rustc 1.18.0-nightly (94e884b63 2017-04-27)*
1655
1656## 0.0.127 — 2017-04-27
1657* Update to *rustc 1.18.0-nightly (036983201 2017-04-26)*
1658* New lint: [`needless_continue`]
1659
1660## 0.0.126 — 2017-04-24
1661* Update to *rustc 1.18.0-nightly (2bd4b5c6d 2017-04-23)*
1662
1663## 0.0.125 — 2017-04-19
1664* Update to *rustc 1.18.0-nightly (9f2abadca 2017-04-18)*
1665
1666## 0.0.124 — 2017-04-16
1667* Update to *rustc 1.18.0-nightly (d5cf1cb64 2017-04-15)*
1668
1669## 0.0.123 — 2017-04-07
1670* Fix various false positives
1671
1672## 0.0.122 — 2017-04-07
1673* Rustup to *rustc 1.18.0-nightly (91ae22a01 2017-04-05)*
1674* New lint: [`op_ref`]
1675
1676## 0.0.121 — 2017-03-21
1677* Rustup to *rustc 1.17.0-nightly (134c4a0f0 2017-03-20)*
1678
1679## 0.0.120 — 2017-03-17
1680* Rustup to *rustc 1.17.0-nightly (0aeb9c129 2017-03-15)*
1681
1682## 0.0.119 — 2017-03-13
1683* Rustup to *rustc 1.17.0-nightly (824c9ebbd 2017-03-12)*
1684
1685## 0.0.118 — 2017-03-05
1686* Rustup to *rustc 1.17.0-nightly (b1e31766d 2017-03-03)*
1687
1688## 0.0.117 — 2017-03-01
1689* Rustup to *rustc 1.17.0-nightly (be760566c 2017-02-28)*
1690
1691## 0.0.116 — 2017-02-28
1692* Fix `cargo clippy` on 64 bit windows systems
1693
1694## 0.0.115 — 2017-02-27
1695* Rustup to *rustc 1.17.0-nightly (60a0edc6c 2017-02-26)*
1696* New lints: [`zero_ptr`], [`never_loop`], [`mut_from_ref`]
1697
1698## 0.0.114 — 2017-02-08
1699* Rustup to *rustc 1.17.0-nightly (c49d10207 2017-02-07)*
1700* Tests are now ui tests (testing the exact output of rustc)
1701
1702## 0.0.113 — 2017-02-04
1703* Rustup to *rustc 1.16.0-nightly (eedaa94e3 2017-02-02)*
1704* New lint: [`large_enum_variant`]
1705* `explicit_into_iter_loop` provides suggestions
1706
1707## 0.0.112 — 2017-01-27
1708* Rustup to *rustc 1.16.0-nightly (df8debf6d 2017-01-25)*
1709
1710## 0.0.111 — 2017-01-21
1711* Rustup to *rustc 1.16.0-nightly (a52da95ce 2017-01-20)*
1712
1713## 0.0.110 — 2017-01-20
1714* Add badges and categories to `Cargo.toml`
1715
1716## 0.0.109 — 2017-01-19
1717* Update to *rustc 1.16.0-nightly (c07a6ae77 2017-01-17)*
1718
1719## 0.0.108 — 2017-01-12
1720* Update to *rustc 1.16.0-nightly (2782e8f8f 2017-01-12)*
1721
1722## 0.0.107 — 2017-01-11
1723* Update regex dependency
1724* Fix FP when matching `&&mut` by `&ref`
1725* Reintroduce `for (_, x) in &mut hash_map` -> `for x in hash_map.values_mut()`
1726* New lints: [`unused_io_amount`], [`forget_ref`], [`short_circuit_statement`]
1727
1728## 0.0.106 — 2017-01-04
1729* Fix FP introduced by rustup in [`wrong_self_convention`]
1730
1731## 0.0.105 — 2017-01-04
1732* Update to *rustc 1.16.0-nightly (468227129 2017-01-03)*
1733* New lints: [`deref_addrof`], [`double_parens`], [`pub_enum_variant_names`]
1734* Fix suggestion in [`new_without_default`]
1735* FP fix in [`absurd_extreme_comparisons`]
1736
1737## 0.0.104 — 2016-12-15
1738* Update to *rustc 1.15.0-nightly (8f02c429a 2016-12-15)*
1739
1740## 0.0.103 — 2016-11-25
1741* Update to *rustc 1.15.0-nightly (d5814b03e 2016-11-23)*
1742
1743## 0.0.102 — 2016-11-24
1744* Update to *rustc 1.15.0-nightly (3bf2be9ce 2016-11-22)*
1745
1746## 0.0.101 — 2016-11-23
1747* Update to *rustc 1.15.0-nightly (7b3eeea22 2016-11-21)*
1748* New lint: [`string_extend_chars`]
1749
1750## 0.0.100 — 2016-11-20
1751* Update to *rustc 1.15.0-nightly (ac635aa95 2016-11-18)*
1752
1753## 0.0.99 — 2016-11-18
1754* Update to rustc 1.15.0-nightly (0ed951993 2016-11-14)
1755* New lint: [`get_unwrap`]
1756
1757## 0.0.98 — 2016-11-08
1758* Fixes an issue due to a change in how cargo handles `--sysroot`, which broke `cargo clippy`
1759
1760## 0.0.97 — 2016-11-03
1761* For convenience, `cargo clippy` defines a `cargo-clippy` feature. This was
1762 previously added for a short time under the name `clippy` but removed for
1763 compatibility.
1764* `cargo clippy --help` is more helping (and less helpful :smile:)
1765* Rustup to *rustc 1.14.0-nightly (5665bdf3e 2016-11-02)*
1766* New lints: [`if_let_redundant_pattern_matching`], [`partialeq_ne_impl`]
1767
1768## 0.0.96 — 2016-10-22
1769* Rustup to *rustc 1.14.0-nightly (f09420685 2016-10-20)*
1770* New lint: [`iter_skip_next`]
1771
1772## 0.0.95 — 2016-10-06
1773* Rustup to *rustc 1.14.0-nightly (3210fd5c2 2016-10-05)*
1774
1775## 0.0.94 — 2016-10-04
1776* Fixes bustage on Windows due to forbidden directory name
1777
1778## 0.0.93 — 2016-10-03
1779* Rustup to *rustc 1.14.0-nightly (144af3e97 2016-10-02)*
1780* `option_map_unwrap_or` and `option_map_unwrap_or_else` are now
1781 allowed by default.
1782* New lint: [`explicit_into_iter_loop`]
1783
1784## 0.0.92 — 2016-09-30
1785* Rustup to *rustc 1.14.0-nightly (289f3a4ca 2016-09-29)*
1786
1787## 0.0.91 — 2016-09-28
1788* Rustup to *rustc 1.13.0-nightly (d0623cf7b 2016-09-26)*
1789
1790## 0.0.90 — 2016-09-09
1791* Rustup to *rustc 1.13.0-nightly (f1f40f850 2016-09-09)*
1792
1793## 0.0.89 — 2016-09-06
1794* Rustup to *rustc 1.13.0-nightly (cbe4de78e 2016-09-05)*
1795
1796## 0.0.88 — 2016-09-04
1797* Rustup to *rustc 1.13.0-nightly (70598e04f 2016-09-03)*
1798* The following lints are not new but were only usable through the `clippy`
1799 lint groups: [`filter_next`], `for_loop_over_option`,
1800 `for_loop_over_result` and [`match_overlapping_arm`]. You should now be
1801 able to `#[allow/deny]` them individually and they are available directly
1802 through `cargo clippy`.
1803
1804## 0.0.87 — 2016-08-31
1805* Rustup to *rustc 1.13.0-nightly (eac41469d 2016-08-30)*
1806* New lints: [`builtin_type_shadow`]
1807* Fix FP in [`zero_prefixed_literal`] and `0b`/`0o`
1808
1809## 0.0.86 — 2016-08-28
1810* Rustup to *rustc 1.13.0-nightly (a23064af5 2016-08-27)*
1811* New lints: [`missing_docs_in_private_items`], [`zero_prefixed_literal`]
1812
1813## 0.0.85 — 2016-08-19
1814* Fix ICE with [`useless_attribute`]
1815* [`useless_attribute`] ignores `unused_imports` on `use` statements
1816
1817## 0.0.84 — 2016-08-18
1818* Rustup to *rustc 1.13.0-nightly (aef6971ca 2016-08-17)*
1819
1820## 0.0.83 — 2016-08-17
1821* Rustup to *rustc 1.12.0-nightly (1bf5fa326 2016-08-16)*
1822* New lints: [`print_with_newline`], [`useless_attribute`]
1823
1824## 0.0.82 — 2016-08-17
1825* Rustup to *rustc 1.12.0-nightly (197be89f3 2016-08-15)*
1826* New lint: [`module_inception`]
1827
1828## 0.0.81 — 2016-08-14
1829* Rustup to *rustc 1.12.0-nightly (1deb02ea6 2016-08-12)*
1830* New lints: [`eval_order_dependence`], [`mixed_case_hex_literals`], [`unseparated_literal_suffix`]
1831* False positive fix in [`too_many_arguments`]
1832* Addition of functionality to [`needless_borrow`]
1833* Suggestions for [`clone_on_copy`]
1834* Bug fix in [`wrong_self_convention`]
1835* Doc improvements
1836
1837## 0.0.80 — 2016-07-31
1838* Rustup to *rustc 1.12.0-nightly (1225e122f 2016-07-30)*
1839* New lints: [`misrefactored_assign_op`], [`serde_api_misuse`]
1840
1841## 0.0.79 — 2016-07-10
1842* Rustup to *rustc 1.12.0-nightly (f93aaf84c 2016-07-09)*
1843* Major suggestions refactoring
1844
1845## 0.0.78 — 2016-07-02
1846* Rustup to *rustc 1.11.0-nightly (01411937f 2016-07-01)*
1847* New lints: [`wrong_transmute`], [`double_neg`], [`filter_map`]
1848* For compatibility, `cargo clippy` does not defines the `clippy` feature
1849 introduced in 0.0.76 anymore
1850* [`collapsible_if`] now considers `if let`
1851
1852## 0.0.77 — 2016-06-21
1853* Rustup to *rustc 1.11.0-nightly (5522e678b 2016-06-20)*
1854* New lints: `stutter` and [`iter_nth`]
1855
1856## 0.0.76 — 2016-06-10
1857* Rustup to *rustc 1.11.0-nightly (7d2f75a95 2016-06-09)*
1858* `cargo clippy` now automatically defines the `clippy` feature
1859* New lint: [`not_unsafe_ptr_arg_deref`]
1860
1861## 0.0.75 — 2016-06-08
1862* Rustup to *rustc 1.11.0-nightly (763f9234b 2016-06-06)*
1863
1864## 0.0.74 — 2016-06-07
1865* Fix bug with `cargo-clippy` JSON parsing
1866* Add the `CLIPPY_DISABLE_DOCS_LINKS` environment variable to deactivate the
1867 “for further information visit *lint-link*” message.
1868
1869## 0.0.73 — 2016-06-05
1870* Fix false positives in [`useless_let_if_seq`]
1871
1872## 0.0.72 — 2016-06-04
1873* Fix false positives in [`useless_let_if_seq`]
1874
1875## 0.0.71 — 2016-05-31
1876* Rustup to *rustc 1.11.0-nightly (a967611d8 2016-05-30)*
1877* New lint: [`useless_let_if_seq`]
1878
1879## 0.0.70 — 2016-05-28
1880* Rustup to *rustc 1.10.0-nightly (7bddce693 2016-05-27)*
1881* [`invalid_regex`] and [`trivial_regex`] can now warn on `RegexSet::new`,
1882 `RegexBuilder::new` and byte regexes
1883
1884## 0.0.69 — 2016-05-20
1885* Rustup to *rustc 1.10.0-nightly (476fe6eef 2016-05-21)*
1886* [`used_underscore_binding`] has been made `Allow` temporarily
1887
1888## 0.0.68 — 2016-05-17
1889* Rustup to *rustc 1.10.0-nightly (cd6a40017 2016-05-16)*
1890* New lint: [`unnecessary_operation`]
1891
1892## 0.0.67 — 2016-05-12
1893* Rustup to *rustc 1.10.0-nightly (22ac88f1a 2016-05-11)*
1894
1895## 0.0.66 — 2016-05-11
1896* New `cargo clippy` subcommand
1897* New lints: [`assign_op_pattern`], [`assign_ops`], [`needless_borrow`]
1898
1899## 0.0.65 — 2016-05-08
1900* Rustup to *rustc 1.10.0-nightly (62e2b2fb7 2016-05-06)*
1901* New lints: [`float_arithmetic`], [`integer_arithmetic`]
1902
1903## 0.0.64 — 2016-04-26
1904* Rustup to *rustc 1.10.0-nightly (645dd013a 2016-04-24)*
1905* New lints: [`temporary_cstring_as_ptr`], [`unsafe_removed_from_name`], and [`mem_forget`]
1906
1907## 0.0.63 — 2016-04-08
1908* Rustup to *rustc 1.9.0-nightly (7979dd608 2016-04-07)*
1909
1910## 0.0.62 — 2016-04-07
1911* Rustup to *rustc 1.9.0-nightly (bf5da36f1 2016-04-06)*
1912
1913## 0.0.61 — 2016-04-03
1914* Rustup to *rustc 1.9.0-nightly (5ab11d72c 2016-04-02)*
1915* New lint: [`invalid_upcast_comparisons`]
1916
1917## 0.0.60 — 2016-04-01
1918* Rustup to *rustc 1.9.0-nightly (e1195c24b 2016-03-31)*
1919
1920## 0.0.59 — 2016-03-31
1921* Rustup to *rustc 1.9.0-nightly (30a3849f2 2016-03-30)*
1922* New lints: [`logic_bug`], [`nonminimal_bool`]
1923* Fixed: [`match_same_arms`] now ignores arms with guards
1924* Improved: [`useless_vec`] now warns on `for … in vec![…]`
1925
1926## 0.0.58 — 2016-03-27
1927* Rustup to *rustc 1.9.0-nightly (d5a91e695 2016-03-26)*
1928* New lint: [`doc_markdown`]
1929
1930## 0.0.57 — 2016-03-27
1931* Update to *rustc 1.9.0-nightly (a1e29daf1 2016-03-25)*
1932* Deprecated lints: [`str_to_string`], [`string_to_string`], [`unstable_as_slice`], [`unstable_as_mut_slice`]
1933* New lint: [`crosspointer_transmute`]
1934
1935## 0.0.56 — 2016-03-23
1936* Update to *rustc 1.9.0-nightly (0dcc413e4 2016-03-22)*
1937* New lints: [`many_single_char_names`] and [`similar_names`]
1938
1939## 0.0.55 — 2016-03-21
1940* Update to *rustc 1.9.0-nightly (02310fd31 2016-03-19)*
1941
1942## 0.0.54 — 2016-03-16
1943* Update to *rustc 1.9.0-nightly (c66d2380a 2016-03-15)*
1944
1945## 0.0.53 — 2016-03-15
1946* Add a [configuration file]
1947
1948## ~~0.0.52~~
1949
1950## 0.0.51 — 2016-03-13
1951* Add `str` to types considered by [`len_zero`]
1952* New lints: [`indexing_slicing`]
1953
1954## 0.0.50 — 2016-03-11
1955* Update to *rustc 1.9.0-nightly (c9629d61c 2016-03-10)*
1956
1957## 0.0.49 — 2016-03-09
1958* Update to *rustc 1.9.0-nightly (eabfc160f 2016-03-08)*
1959* New lints: [`overflow_check_conditional`], [`unused_label`], [`new_without_default`]
1960
1961## 0.0.48 — 2016-03-07
1962* Fixed: ICE in [`needless_range_loop`] with globals
1963
1964## 0.0.47 — 2016-03-07
1965* Update to *rustc 1.9.0-nightly (998a6720b 2016-03-07)*
1966* New lint: [`redundant_closure_call`]
1967
1968[`AsMut`]: https://doc.rust-lang.org/std/convert/trait.AsMut.html
1969[`AsRef`]: https://doc.rust-lang.org/std/convert/trait.AsRef.html
1970[configuration file]: ./rust-clippy#configuration
1971[pull3665]: https://github.com/rust-lang/rust-clippy/pull/3665
1972[adding_lints]: https://github.com/rust-lang/rust-clippy/blob/master/doc/adding_lints.md
1973
1974<!-- lint disable no-unused-definitions -->
1975<!-- begin autogenerated links to lint list -->
1976[`absurd_extreme_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
1977[`almost_swapped`]: https://rust-lang.github.io/rust-clippy/master/index.html#almost_swapped
1978[`approx_constant`]: https://rust-lang.github.io/rust-clippy/master/index.html#approx_constant
1979[`as_conversions`]: https://rust-lang.github.io/rust-clippy/master/index.html#as_conversions
1980[`assertions_on_constants`]: https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_constants
1981[`assign_op_pattern`]: https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
1982[`assign_ops`]: https://rust-lang.github.io/rust-clippy/master/index.html#assign_ops
1983[`async_yields_async`]: https://rust-lang.github.io/rust-clippy/master/index.html#async_yields_async
1984[`await_holding_lock`]: https://rust-lang.github.io/rust-clippy/master/index.html#await_holding_lock
1985[`await_holding_refcell_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#await_holding_refcell_ref
1986[`bad_bit_mask`]: https://rust-lang.github.io/rust-clippy/master/index.html#bad_bit_mask
1987[`bind_instead_of_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#bind_instead_of_map
1988[`blacklisted_name`]: https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
1989[`blanket_clippy_restriction_lints`]: https://rust-lang.github.io/rust-clippy/master/index.html#blanket_clippy_restriction_lints
1990[`blocks_in_if_conditions`]: https://rust-lang.github.io/rust-clippy/master/index.html#blocks_in_if_conditions
1991[`bool_comparison`]: https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
1992[`borrow_interior_mutable_const`]: https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
1993[`borrowed_box`]: https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
1994[`box_vec`]: https://rust-lang.github.io/rust-clippy/master/index.html#box_vec
1995[`boxed_local`]: https://rust-lang.github.io/rust-clippy/master/index.html#boxed_local
1996[`builtin_type_shadow`]: https://rust-lang.github.io/rust-clippy/master/index.html#builtin_type_shadow
1997[`bytes_nth`]: https://rust-lang.github.io/rust-clippy/master/index.html#bytes_nth
1998[`cargo_common_metadata`]: https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata
1999[`case_sensitive_file_extension_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#case_sensitive_file_extension_comparisons
2000[`cast_lossless`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
2001[`cast_possible_truncation`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_possible_truncation
2002[`cast_possible_wrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_possible_wrap
2003[`cast_precision_loss`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_precision_loss
2004[`cast_ptr_alignment`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
2005[`cast_ref_to_mut`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_ref_to_mut
2006[`cast_sign_loss`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_sign_loss
2007[`char_lit_as_u8`]: https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
2008[`chars_last_cmp`]: https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
2009[`chars_next_cmp`]: https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
2010[`checked_conversions`]: https://rust-lang.github.io/rust-clippy/master/index.html#checked_conversions
2011[`clone_double_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
2012[`clone_on_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
2013[`clone_on_ref_ptr`]: https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_ref_ptr
2014[`cmp_nan`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_nan
2015[`cmp_null`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
2016[`cmp_owned`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
2017[`cognitive_complexity`]: https://rust-lang.github.io/rust-clippy/master/index.html#cognitive_complexity
2018[`collapsible_else_if`]: https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_else_if
2019[`collapsible_if`]: https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
2020[`collapsible_match`]: https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
2021[`comparison_chain`]: https://rust-lang.github.io/rust-clippy/master/index.html#comparison_chain
2022[`comparison_to_empty`]: https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
2023[`copy_iterator`]: https://rust-lang.github.io/rust-clippy/master/index.html#copy_iterator
2024[`create_dir`]: https://rust-lang.github.io/rust-clippy/master/index.html#create_dir
2025[`crosspointer_transmute`]: https://rust-lang.github.io/rust-clippy/master/index.html#crosspointer_transmute
2026[`dbg_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#dbg_macro
2027[`debug_assert_with_mut_call`]: https://rust-lang.github.io/rust-clippy/master/index.html#debug_assert_with_mut_call
2028[`decimal_literal_representation`]: https://rust-lang.github.io/rust-clippy/master/index.html#decimal_literal_representation
2029[`declare_interior_mutable_const`]: https://rust-lang.github.io/rust-clippy/master/index.html#declare_interior_mutable_const
2030[`default_numeric_fallback`]: https://rust-lang.github.io/rust-clippy/master/index.html#default_numeric_fallback
2031[`default_trait_access`]: https://rust-lang.github.io/rust-clippy/master/index.html#default_trait_access
2032[`deprecated_cfg_attr`]: https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
2033[`deprecated_semver`]: https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_semver
2034[`deref_addrof`]: https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
2035[`derive_hash_xor_eq`]: https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
2036[`derive_ord_xor_partial_ord`]: https://rust-lang.github.io/rust-clippy/master/index.html#derive_ord_xor_partial_ord
2037[`disallowed_method`]: https://rust-lang.github.io/rust-clippy/master/index.html#disallowed_method
2038[`diverging_sub_expression`]: https://rust-lang.github.io/rust-clippy/master/index.html#diverging_sub_expression
2039[`doc_markdown`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_markdown
2040[`double_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_comparisons
2041[`double_must_use`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_must_use
2042[`double_neg`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_neg
2043[`double_parens`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
2044[`drop_bounds`]: https://rust-lang.github.io/rust-clippy/master/index.html#drop_bounds
2045[`drop_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
2046[`drop_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
2047[`duplicate_underscore_argument`]: https://rust-lang.github.io/rust-clippy/master/index.html#duplicate_underscore_argument
2048[`duration_subsec`]: https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
2049[`else_if_without_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#else_if_without_else
2050[`empty_enum`]: https://rust-lang.github.io/rust-clippy/master/index.html#empty_enum
2051[`empty_line_after_outer_attr`]: https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_outer_attr
2052[`empty_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#empty_loop
2053[`enum_clike_unportable_variant`]: https://rust-lang.github.io/rust-clippy/master/index.html#enum_clike_unportable_variant
2054[`enum_glob_use`]: https://rust-lang.github.io/rust-clippy/master/index.html#enum_glob_use
2055[`enum_variant_names`]: https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
2056[`eq_op`]: https://rust-lang.github.io/rust-clippy/master/index.html#eq_op
2057[`erasing_op`]: https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
2058[`eval_order_dependence`]: https://rust-lang.github.io/rust-clippy/master/index.html#eval_order_dependence
2059[`excessive_precision`]: https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
2060[`exhaustive_enums`]: https://rust-lang.github.io/rust-clippy/master/index.html#exhaustive_enums
2061[`exhaustive_structs`]: https://rust-lang.github.io/rust-clippy/master/index.html#exhaustive_structs
2062[`exit`]: https://rust-lang.github.io/rust-clippy/master/index.html#exit
2063[`expect_fun_call`]: https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
2064[`expect_used`]: https://rust-lang.github.io/rust-clippy/master/index.html#expect_used
2065[`expl_impl_clone_on_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#expl_impl_clone_on_copy
2066[`explicit_counter_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
2067[`explicit_deref_methods`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_deref_methods
2068[`explicit_into_iter_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_into_iter_loop
2069[`explicit_iter_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_iter_loop
2070[`explicit_write`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
2071[`extend_from_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#extend_from_slice
2072[`extra_unused_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
2073[`fallible_impl_from`]: https://rust-lang.github.io/rust-clippy/master/index.html#fallible_impl_from
2074[`field_reassign_with_default`]: https://rust-lang.github.io/rust-clippy/master/index.html#field_reassign_with_default
2075[`filetype_is_file`]: https://rust-lang.github.io/rust-clippy/master/index.html#filetype_is_file
2076[`filter_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#filter_map
2077[`filter_map_identity`]: https://rust-lang.github.io/rust-clippy/master/index.html#filter_map_identity
2078[`filter_map_next`]: https://rust-lang.github.io/rust-clippy/master/index.html#filter_map_next
2079[`filter_next`]: https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
2080[`find_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#find_map
2081[`flat_map_identity`]: https://rust-lang.github.io/rust-clippy/master/index.html#flat_map_identity
2082[`float_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_arithmetic
2083[`float_cmp`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
2084[`float_cmp_const`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp_const
2085[`float_equality_without_abs`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_equality_without_abs
2086[`fn_address_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_address_comparisons
2087[`fn_params_excessive_bools`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_params_excessive_bools
2088[`fn_to_numeric_cast`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_to_numeric_cast
2089[`fn_to_numeric_cast_with_truncation`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_to_numeric_cast_with_truncation
2090[`for_kv_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
2091[`for_loops_over_fallibles`]: https://rust-lang.github.io/rust-clippy/master/index.html#for_loops_over_fallibles
2092[`forget_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
2093[`forget_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#forget_ref
2094[`from_iter_instead_of_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#from_iter_instead_of_collect
2095[`from_over_into`]: https://rust-lang.github.io/rust-clippy/master/index.html#from_over_into
2096[`from_str_radix_10`]: https://rust-lang.github.io/rust-clippy/master/index.html#from_str_radix_10
2097[`future_not_send`]: https://rust-lang.github.io/rust-clippy/master/index.html#future_not_send
2098[`get_last_with_len`]: https://rust-lang.github.io/rust-clippy/master/index.html#get_last_with_len
2099[`get_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
2100[`identity_op`]: https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
2101[`if_let_mutex`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_let_mutex
2102[`if_let_redundant_pattern_matching`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_let_redundant_pattern_matching
2103[`if_let_some_result`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_let_some_result
2104[`if_not_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_not_else
2105[`if_same_then_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
2106[`ifs_same_cond`]: https://rust-lang.github.io/rust-clippy/master/index.html#ifs_same_cond
2107[`implicit_clone`]: https://rust-lang.github.io/rust-clippy/master/index.html#implicit_clone
2108[`implicit_hasher`]: https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
2109[`implicit_return`]: https://rust-lang.github.io/rust-clippy/master/index.html#implicit_return
2110[`implicit_saturating_sub`]: https://rust-lang.github.io/rust-clippy/master/index.html#implicit_saturating_sub
2111[`imprecise_flops`]: https://rust-lang.github.io/rust-clippy/master/index.html#imprecise_flops
2112[`inconsistent_digit_grouping`]: https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_digit_grouping
2113[`inconsistent_struct_constructor`]: https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_struct_constructor
2114[`indexing_slicing`]: https://rust-lang.github.io/rust-clippy/master/index.html#indexing_slicing
2115[`ineffective_bit_mask`]: https://rust-lang.github.io/rust-clippy/master/index.html#ineffective_bit_mask
2116[`inefficient_to_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#inefficient_to_string
2117[`infallible_destructuring_match`]: https://rust-lang.github.io/rust-clippy/master/index.html#infallible_destructuring_match
2118[`infinite_iter`]: https://rust-lang.github.io/rust-clippy/master/index.html#infinite_iter
2119[`inherent_to_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
2120[`inherent_to_string_shadow_display`]: https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string_shadow_display
2121[`inline_always`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_always
2122[`inline_asm_x86_att_syntax`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_asm_x86_att_syntax
2123[`inline_asm_x86_intel_syntax`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_asm_x86_intel_syntax
2124[`inline_fn_without_body`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body
2125[`inspect_for_each`]: https://rust-lang.github.io/rust-clippy/master/index.html#inspect_for_each
2126[`int_plus_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
2127[`integer_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#integer_arithmetic
2128[`integer_division`]: https://rust-lang.github.io/rust-clippy/master/index.html#integer_division
2129[`into_iter_on_array`]: https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
2130[`into_iter_on_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
2131[`invalid_atomic_ordering`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_atomic_ordering
2132[`invalid_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_ref
2133[`invalid_regex`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
2134[`invalid_upcast_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_upcast_comparisons
2135[`invisible_characters`]: https://rust-lang.github.io/rust-clippy/master/index.html#invisible_characters
2136[`items_after_statements`]: https://rust-lang.github.io/rust-clippy/master/index.html#items_after_statements
2137[`iter_cloned_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
2138[`iter_count`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_count
2139[`iter_next_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_next_loop
2140[`iter_next_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_next_slice
2141[`iter_nth`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
2142[`iter_nth_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
2143[`iter_skip_next`]: https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next
2144[`iterator_step_by_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#iterator_step_by_zero
2145[`just_underscores_and_digits`]: https://rust-lang.github.io/rust-clippy/master/index.html#just_underscores_and_digits
2146[`large_const_arrays`]: https://rust-lang.github.io/rust-clippy/master/index.html#large_const_arrays
2147[`large_digit_groups`]: https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
2148[`large_enum_variant`]: https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
2149[`large_stack_arrays`]: https://rust-lang.github.io/rust-clippy/master/index.html#large_stack_arrays
2150[`large_types_passed_by_value`]: https://rust-lang.github.io/rust-clippy/master/index.html#large_types_passed_by_value
2151[`len_without_is_empty`]: https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
2152[`len_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
2153[`let_and_return`]: https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
2154[`let_underscore_drop`]: https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_drop
2155[`let_underscore_lock`]: https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_lock
2156[`let_underscore_must_use`]: https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_must_use
2157[`let_unit_value`]: https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
2158[`linkedlist`]: https://rust-lang.github.io/rust-clippy/master/index.html#linkedlist
2159[`logic_bug`]: https://rust-lang.github.io/rust-clippy/master/index.html#logic_bug
2160[`lossy_float_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#lossy_float_literal
2161[`macro_use_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#macro_use_imports
2162[`main_recursion`]: https://rust-lang.github.io/rust-clippy/master/index.html#main_recursion
2163[`manual_async_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_async_fn
2164[`manual_filter_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_filter_map
2165[`manual_find_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_find_map
2166[`manual_flatten`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
2167[`manual_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
2168[`manual_memcpy`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
2169[`manual_non_exhaustive`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_non_exhaustive
2170[`manual_ok_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_ok_or
2171[`manual_range_contains`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
2172[`manual_saturating_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_saturating_arithmetic
2173[`manual_strip`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
2174[`manual_swap`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_swap
2175[`manual_unwrap_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or
2176[`many_single_char_names`]: https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
2177[`map_clone`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
2178[`map_collect_result_unit`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_collect_result_unit
2179[`map_entry`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
2180[`map_err_ignore`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_err_ignore
2181[`map_flatten`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_flatten
2182[`map_identity`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_identity
2183[`map_unwrap_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#map_unwrap_or
2184[`match_as_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
2185[`match_bool`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
2186[`match_like_matches_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
2187[`match_on_vec_items`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_on_vec_items
2188[`match_overlapping_arm`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
2189[`match_ref_pats`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
2190[`match_same_arms`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_same_arms
2191[`match_single_binding`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
2192[`match_wild_err_arm`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
2193[`match_wildcard_for_single_variants`]: https://rust-lang.github.io/rust-clippy/master/index.html#match_wildcard_for_single_variants
2194[`maybe_infinite_iter`]: https://rust-lang.github.io/rust-clippy/master/index.html#maybe_infinite_iter
2195[`mem_discriminant_non_enum`]: https://rust-lang.github.io/rust-clippy/master/index.html#mem_discriminant_non_enum
2196[`mem_forget`]: https://rust-lang.github.io/rust-clippy/master/index.html#mem_forget
2197[`mem_replace_option_with_none`]: https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
2198[`mem_replace_with_default`]: https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_with_default
2199[`mem_replace_with_uninit`]: https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_with_uninit
2200[`min_max`]: https://rust-lang.github.io/rust-clippy/master/index.html#min_max
2201[`misaligned_transmute`]: https://rust-lang.github.io/rust-clippy/master/index.html#misaligned_transmute
2202[`mismatched_target_os`]: https://rust-lang.github.io/rust-clippy/master/index.html#mismatched_target_os
2203[`misrefactored_assign_op`]: https://rust-lang.github.io/rust-clippy/master/index.html#misrefactored_assign_op
2204[`missing_const_for_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_const_for_fn
2205[`missing_docs_in_private_items`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_docs_in_private_items
2206[`missing_errors_doc`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_errors_doc
2207[`missing_inline_in_public_items`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_inline_in_public_items
2208[`missing_panics_doc`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_panics_doc
2209[`missing_safety_doc`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
2210[`mistyped_literal_suffixes`]: https://rust-lang.github.io/rust-clippy/master/index.html#mistyped_literal_suffixes
2211[`mixed_case_hex_literals`]: https://rust-lang.github.io/rust-clippy/master/index.html#mixed_case_hex_literals
2212[`module_inception`]: https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
2213[`module_name_repetitions`]: https://rust-lang.github.io/rust-clippy/master/index.html#module_name_repetitions
2214[`modulo_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#modulo_arithmetic
2215[`modulo_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#modulo_one
2216[`multiple_crate_versions`]: https://rust-lang.github.io/rust-clippy/master/index.html#multiple_crate_versions
2217[`multiple_inherent_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#multiple_inherent_impl
2218[`must_use_candidate`]: https://rust-lang.github.io/rust-clippy/master/index.html#must_use_candidate
2219[`must_use_unit`]: https://rust-lang.github.io/rust-clippy/master/index.html#must_use_unit
2220[`mut_from_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#mut_from_ref
2221[`mut_mut`]: https://rust-lang.github.io/rust-clippy/master/index.html#mut_mut
2222[`mut_mutex_lock`]: https://rust-lang.github.io/rust-clippy/master/index.html#mut_mutex_lock
2223[`mut_range_bound`]: https://rust-lang.github.io/rust-clippy/master/index.html#mut_range_bound
2224[`mutable_key_type`]: https://rust-lang.github.io/rust-clippy/master/index.html#mutable_key_type
2225[`mutex_atomic`]: https://rust-lang.github.io/rust-clippy/master/index.html#mutex_atomic
2226[`mutex_integer`]: https://rust-lang.github.io/rust-clippy/master/index.html#mutex_integer
2227[`naive_bytecount`]: https://rust-lang.github.io/rust-clippy/master/index.html#naive_bytecount
2228[`needless_arbitrary_self_type`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_arbitrary_self_type
2229[`needless_bool`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
2230[`needless_borrow`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
2231[`needless_borrowed_reference`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference
2232[`needless_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
2233[`needless_continue`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_continue
2234[`needless_doctest_main`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_doctest_main
2235[`needless_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
2236[`needless_pass_by_value`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_pass_by_value
2237[`needless_question_mark`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_question_mark
2238[`needless_range_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
2239[`needless_return`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
2240[`needless_update`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_update
2241[`neg_cmp_op_on_partial_ord`]: https://rust-lang.github.io/rust-clippy/master/index.html#neg_cmp_op_on_partial_ord
2242[`neg_multiply`]: https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
2243[`never_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
2244[`new_ret_no_self`]: https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
2245[`new_without_default`]: https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
2246[`no_effect`]: https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
2247[`non_ascii_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#non_ascii_literal
2248[`nonminimal_bool`]: https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
2249[`nonsensical_open_options`]: https://rust-lang.github.io/rust-clippy/master/index.html#nonsensical_open_options
2250[`not_unsafe_ptr_arg_deref`]: https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
2251[`ok_expect`]: https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
2252[`op_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
2253[`option_as_ref_deref`]: https://rust-lang.github.io/rust-clippy/master/index.html#option_as_ref_deref
2254[`option_env_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#option_env_unwrap
2255[`option_if_let_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#option_if_let_else
2256[`option_map_or_none`]: https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
2257[`option_map_unit_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
2258[`option_option`]: https://rust-lang.github.io/rust-clippy/master/index.html#option_option
2259[`or_fun_call`]: https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
2260[`out_of_bounds_indexing`]: https://rust-lang.github.io/rust-clippy/master/index.html#out_of_bounds_indexing
2261[`overflow_check_conditional`]: https://rust-lang.github.io/rust-clippy/master/index.html#overflow_check_conditional
2262[`panic`]: https://rust-lang.github.io/rust-clippy/master/index.html#panic
2263[`panic_in_result_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#panic_in_result_fn
2264[`panic_params`]: https://rust-lang.github.io/rust-clippy/master/index.html#panic_params
2265[`panicking_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#panicking_unwrap
2266[`partialeq_ne_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
2267[`path_buf_push_overwrite`]: https://rust-lang.github.io/rust-clippy/master/index.html#path_buf_push_overwrite
2268[`pattern_type_mismatch`]: https://rust-lang.github.io/rust-clippy/master/index.html#pattern_type_mismatch
2269[`possible_missing_comma`]: https://rust-lang.github.io/rust-clippy/master/index.html#possible_missing_comma
2270[`precedence`]: https://rust-lang.github.io/rust-clippy/master/index.html#precedence
2271[`print_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
2272[`print_stderr`]: https://rust-lang.github.io/rust-clippy/master/index.html#print_stderr
2273[`print_stdout`]: https://rust-lang.github.io/rust-clippy/master/index.html#print_stdout
2274[`print_with_newline`]: https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
2275[`println_empty_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
2276[`ptr_arg`]: https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
2277[`ptr_as_ptr`]: https://rust-lang.github.io/rust-clippy/master/index.html#ptr_as_ptr
2278[`ptr_eq`]: https://rust-lang.github.io/rust-clippy/master/index.html#ptr_eq
2279[`ptr_offset_with_cast`]: https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
2280[`pub_enum_variant_names`]: https://rust-lang.github.io/rust-clippy/master/index.html#pub_enum_variant_names
2281[`question_mark`]: https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
2282[`range_minus_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_minus_one
2283[`range_plus_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
2284[`range_step_by_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_step_by_zero
2285[`range_zip_with_len`]: https://rust-lang.github.io/rust-clippy/master/index.html#range_zip_with_len
2286[`rc_buffer`]: https://rust-lang.github.io/rust-clippy/master/index.html#rc_buffer
2287[`redundant_allocation`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_allocation
2288[`redundant_clone`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_clone
2289[`redundant_closure`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
2290[`redundant_closure_call`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure_call
2291[`redundant_closure_for_method_calls`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure_for_method_calls
2292[`redundant_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_else
2293[`redundant_field_names`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
2294[`redundant_pattern`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
2295[`redundant_pattern_matching`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
2296[`redundant_pub_crate`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pub_crate
2297[`redundant_slicing`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_slicing
2298[`redundant_static_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
2299[`ref_in_deref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_in_deref
2300[`ref_option_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_option_ref
2301[`regex_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#regex_macro
2302[`repeat_once`]: https://rust-lang.github.io/rust-clippy/master/index.html#repeat_once
2303[`replace_consts`]: https://rust-lang.github.io/rust-clippy/master/index.html#replace_consts
2304[`rest_pat_in_fully_bound_structs`]: https://rust-lang.github.io/rust-clippy/master/index.html#rest_pat_in_fully_bound_structs
2305[`result_map_or_into_option`]: https://rust-lang.github.io/rust-clippy/master/index.html#result_map_or_into_option
2306[`result_map_unit_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#result_map_unit_fn
2307[`result_unit_err`]: https://rust-lang.github.io/rust-clippy/master/index.html#result_unit_err
2308[`reversed_empty_ranges`]: https://rust-lang.github.io/rust-clippy/master/index.html#reversed_empty_ranges
2309[`same_functions_in_if_condition`]: https://rust-lang.github.io/rust-clippy/master/index.html#same_functions_in_if_condition
2310[`same_item_push`]: https://rust-lang.github.io/rust-clippy/master/index.html#same_item_push
2311[`search_is_some`]: https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
2312[`self_assignment`]: https://rust-lang.github.io/rust-clippy/master/index.html#self_assignment
2313[`semicolon_if_nothing_returned`]: https://rust-lang.github.io/rust-clippy/master/index.html#semicolon_if_nothing_returned
2314[`serde_api_misuse`]: https://rust-lang.github.io/rust-clippy/master/index.html#serde_api_misuse
2315[`shadow_reuse`]: https://rust-lang.github.io/rust-clippy/master/index.html#shadow_reuse
2316[`shadow_same`]: https://rust-lang.github.io/rust-clippy/master/index.html#shadow_same
2317[`shadow_unrelated`]: https://rust-lang.github.io/rust-clippy/master/index.html#shadow_unrelated
2318[`short_circuit_statement`]: https://rust-lang.github.io/rust-clippy/master/index.html#short_circuit_statement
2319[`should_assert_eq`]: https://rust-lang.github.io/rust-clippy/master/index.html#should_assert_eq
2320[`should_implement_trait`]: https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
2321[`similar_names`]: https://rust-lang.github.io/rust-clippy/master/index.html#similar_names
2322[`single_char_add_str`]: https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
2323[`single_char_pattern`]: https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
2324[`single_component_path_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
2325[`single_element_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#single_element_loop
2326[`single_match`]: https://rust-lang.github.io/rust-clippy/master/index.html#single_match
2327[`single_match_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#single_match_else
2328[`size_of_in_element_count`]: https://rust-lang.github.io/rust-clippy/master/index.html#size_of_in_element_count
2329[`skip_while_next`]: https://rust-lang.github.io/rust-clippy/master/index.html#skip_while_next
2330[`slow_vector_initialization`]: https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization
2331[`stable_sort_primitive`]: https://rust-lang.github.io/rust-clippy/master/index.html#stable_sort_primitive
2332[`str_to_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#str_to_string
2333[`string_add`]: https://rust-lang.github.io/rust-clippy/master/index.html#string_add
2334[`string_add_assign`]: https://rust-lang.github.io/rust-clippy/master/index.html#string_add_assign
2335[`string_extend_chars`]: https://rust-lang.github.io/rust-clippy/master/index.html#string_extend_chars
2336[`string_from_utf8_as_bytes`]: https://rust-lang.github.io/rust-clippy/master/index.html#string_from_utf8_as_bytes
2337[`string_lit_as_bytes`]: https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
2338[`string_to_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#string_to_string
2339[`struct_excessive_bools`]: https://rust-lang.github.io/rust-clippy/master/index.html#struct_excessive_bools
2340[`suboptimal_flops`]: https://rust-lang.github.io/rust-clippy/master/index.html#suboptimal_flops
2341[`suspicious_arithmetic_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
2342[`suspicious_assignment_formatting`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_assignment_formatting
2343[`suspicious_else_formatting`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_else_formatting
2344[`suspicious_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_map
2345[`suspicious_op_assign_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_op_assign_impl
2346[`suspicious_operation_groupings`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_operation_groupings
2347[`suspicious_unary_op_formatting`]: https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_unary_op_formatting
2348[`tabs_in_doc_comments`]: https://rust-lang.github.io/rust-clippy/master/index.html#tabs_in_doc_comments
2349[`temporary_assignment`]: https://rust-lang.github.io/rust-clippy/master/index.html#temporary_assignment
2350[`temporary_cstring_as_ptr`]: https://rust-lang.github.io/rust-clippy/master/index.html#temporary_cstring_as_ptr
2351[`to_digit_is_some`]: https://rust-lang.github.io/rust-clippy/master/index.html#to_digit_is_some
2352[`to_string_in_display`]: https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_display
2353[`todo`]: https://rust-lang.github.io/rust-clippy/master/index.html#todo
2354[`too_many_arguments`]: https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
2355[`too_many_lines`]: https://rust-lang.github.io/rust-clippy/master/index.html#too_many_lines
2356[`toplevel_ref_arg`]: https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
2357[`trait_duplication_in_bounds`]: https://rust-lang.github.io/rust-clippy/master/index.html#trait_duplication_in_bounds
2358[`transmute_bytes_to_str`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_bytes_to_str
2359[`transmute_float_to_int`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_float_to_int
2360[`transmute_int_to_bool`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_bool
2361[`transmute_int_to_char`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_char
2362[`transmute_int_to_float`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
2363[`transmute_ptr_to_ptr`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
2364[`transmute_ptr_to_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
2365[`transmutes_expressible_as_ptr_casts`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmutes_expressible_as_ptr_casts
2366[`transmuting_null`]: https://rust-lang.github.io/rust-clippy/master/index.html#transmuting_null
2367[`trivial_regex`]: https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
2368[`trivially_copy_pass_by_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
2369[`try_err`]: https://rust-lang.github.io/rust-clippy/master/index.html#try_err
2370[`type_complexity`]: https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
2371[`type_repetition_in_bounds`]: https://rust-lang.github.io/rust-clippy/master/index.html#type_repetition_in_bounds
2372[`undropped_manually_drops`]: https://rust-lang.github.io/rust-clippy/master/index.html#undropped_manually_drops
2373[`unicode_not_nfc`]: https://rust-lang.github.io/rust-clippy/master/index.html#unicode_not_nfc
2374[`unimplemented`]: https://rust-lang.github.io/rust-clippy/master/index.html#unimplemented
2375[`uninit_assumed_init`]: https://rust-lang.github.io/rust-clippy/master/index.html#uninit_assumed_init
2376[`unit_arg`]: https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
2377[`unit_cmp`]: https://rust-lang.github.io/rust-clippy/master/index.html#unit_cmp
2378[`unit_return_expecting_ord`]: https://rust-lang.github.io/rust-clippy/master/index.html#unit_return_expecting_ord
2379[`unknown_clippy_lints`]: https://rust-lang.github.io/rust-clippy/master/index.html#unknown_clippy_lints
2380[`unnecessary_cast`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
2381[`unnecessary_filter_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_filter_map
2382[`unnecessary_fold`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
2383[`unnecessary_lazy_evaluations`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
2384[`unnecessary_mut_passed`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
2385[`unnecessary_operation`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
2386[`unnecessary_sort_by`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
2387[`unnecessary_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
2388[`unnecessary_wraps`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_wraps
2389[`unneeded_field_pattern`]: https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
2390[`unneeded_wildcard_pattern`]: https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_wildcard_pattern
2391[`unnested_or_patterns`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnested_or_patterns
2392[`unreachable`]: https://rust-lang.github.io/rust-clippy/master/index.html#unreachable
2393[`unreadable_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
2394[`unsafe_derive_deserialize`]: https://rust-lang.github.io/rust-clippy/master/index.html#unsafe_derive_deserialize
2395[`unsafe_removed_from_name`]: https://rust-lang.github.io/rust-clippy/master/index.html#unsafe_removed_from_name
2396[`unsafe_vector_initialization`]: https://rust-lang.github.io/rust-clippy/master/index.html#unsafe_vector_initialization
2397[`unseparated_literal_suffix`]: https://rust-lang.github.io/rust-clippy/master/index.html#unseparated_literal_suffix
2398[`unsound_collection_transmute`]: https://rust-lang.github.io/rust-clippy/master/index.html#unsound_collection_transmute
2399[`unstable_as_mut_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#unstable_as_mut_slice
2400[`unstable_as_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#unstable_as_slice
2401[`unused_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
2402[`unused_io_amount`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
2403[`unused_label`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_label
2404[`unused_self`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_self
2405[`unused_unit`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
2406[`unusual_byte_groupings`]: https://rust-lang.github.io/rust-clippy/master/index.html#unusual_byte_groupings
2407[`unwrap_in_result`]: https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_in_result
2408[`unwrap_used`]: https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_used
2409[`upper_case_acronyms`]: https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
2410[`use_debug`]: https://rust-lang.github.io/rust-clippy/master/index.html#use_debug
2411[`use_self`]: https://rust-lang.github.io/rust-clippy/master/index.html#use_self
2412[`used_underscore_binding`]: https://rust-lang.github.io/rust-clippy/master/index.html#used_underscore_binding
2413[`useless_asref`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
2414[`useless_attribute`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
2415[`useless_conversion`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
2416[`useless_format`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
2417[`useless_let_if_seq`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
2418[`useless_transmute`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
2419[`useless_vec`]: https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
2420[`vec_box`]: https://rust-lang.github.io/rust-clippy/master/index.html#vec_box
2421[`vec_init_then_push`]: https://rust-lang.github.io/rust-clippy/master/index.html#vec_init_then_push
2422[`vec_resize_to_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#vec_resize_to_zero
2423[`verbose_bit_mask`]: https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
2424[`verbose_file_reads`]: https://rust-lang.github.io/rust-clippy/master/index.html#verbose_file_reads
2425[`vtable_address_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#vtable_address_comparisons
2426[`while_immutable_condition`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_immutable_condition
2427[`while_let_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
2428[`while_let_on_iterator`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
2429[`wildcard_dependencies`]: https://rust-lang.github.io/rust-clippy/master/index.html#wildcard_dependencies
2430[`wildcard_enum_match_arm`]: https://rust-lang.github.io/rust-clippy/master/index.html#wildcard_enum_match_arm
2431[`wildcard_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#wildcard_imports
2432[`wildcard_in_or_patterns`]: https://rust-lang.github.io/rust-clippy/master/index.html#wildcard_in_or_patterns
2433[`write_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
2434[`write_with_newline`]: https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
2435[`writeln_empty_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
2436[`wrong_pub_self_convention`]: https://rust-lang.github.io/rust-clippy/master/index.html#wrong_pub_self_convention
2437[`wrong_self_convention`]: https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
2438[`wrong_transmute`]: https://rust-lang.github.io/rust-clippy/master/index.html#wrong_transmute
2439[`zero_divided_by_zero`]: https://rust-lang.github.io/rust-clippy/master/index.html#zero_divided_by_zero
2440[`zero_prefixed_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#zero_prefixed_literal
2441[`zero_ptr`]: https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
2442[`zero_sized_map_values`]: https://rust-lang.github.io/rust-clippy/master/index.html#zero_sized_map_values
2443[`zst_offset`]: https://rust-lang.github.io/rust-clippy/master/index.html#zst_offset
2444<!-- end autogenerated links to lint list -->