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f20569fa XL |
1 | // run-rustfix |
2 | ||
3 | #![warn(clippy::ptr_as_ptr)] | |
4 | #![feature(custom_inner_attributes)] | |
5 | ||
6 | fn main() { | |
7 | let ptr: *const u32 = &42_u32; | |
8 | let mut_ptr: *mut u32 = &mut 42_u32; | |
9 | ||
10 | let _ = ptr as *const i32; | |
11 | let _ = mut_ptr as *mut i32; | |
12 | ||
13 | // Make sure the lint can handle the difference in their operator precedences. | |
14 | unsafe { | |
15 | let ptr_ptr: *const *const u32 = &ptr; | |
16 | let _ = *ptr_ptr as *const i32; | |
17 | } | |
18 | ||
19 | // Changes in mutability. Do not lint this. | |
20 | let _ = ptr as *mut i32; | |
21 | let _ = mut_ptr as *const i32; | |
22 | ||
23 | // `pointer::cast` cannot perform unsized coercions unlike `as`. Do not lint this. | |
24 | let ptr_of_array: *const [u32; 4] = &[1, 2, 3, 4]; | |
25 | let _ = ptr_of_array as *const [u32]; | |
26 | let _ = ptr_of_array as *const dyn std::fmt::Debug; | |
27 | ||
28 | // Ensure the lint doesn't produce unnecessary turbofish for inferred types. | |
29 | let _: *const i32 = ptr as *const _; | |
30 | let _: *mut i32 = mut_ptr as _; | |
31 | } | |
32 | ||
33 | fn _msrv_1_37() { | |
34 | #![clippy::msrv = "1.37"] | |
35 | let ptr: *const u32 = &42_u32; | |
36 | let mut_ptr: *mut u32 = &mut 42_u32; | |
37 | ||
38 | // `pointer::cast` was stabilized in 1.38. Do not lint this | |
39 | let _ = ptr as *const i32; | |
40 | let _ = mut_ptr as *mut i32; | |
41 | } | |
42 | ||
43 | fn _msrv_1_38() { | |
44 | #![clippy::msrv = "1.38"] | |
45 | let ptr: *const u32 = &42_u32; | |
46 | let mut_ptr: *mut u32 = &mut 42_u32; | |
47 | ||
48 | let _ = ptr as *const i32; | |
49 | let _ = mut_ptr as *mut i32; | |
50 | } |