tests/ui/never_type/issue-52443.stderr

   1 warning: denote infinite loops with `loop { ... }`
   2   --> $DIR/issue-52443.rs:6:11
   3    |
   4 LL |     [(); {while true {break}; 0}];
   5    |           ^^^^^^^^^^ help: use `loop`
   6    |
   7    = note: `#[warn(while_true)]` on by default
   8
   9 error[E0658]: `for` is not allowed in a `const`
  10   --> $DIR/issue-52443.rs:9:12
  11    |
  12 LL |     [(); { for _ in 0usize.. {}; 0}];
  13    |            ^^^^^^^^^^^^^^^^^^^^
  14    |
  15    = note: see issue #87575 <https://github.com/rust-lang/rust/issues/87575> for more information
  16    = help: add `#![feature(const_for)]` to the crate attributes to enable
  17
  18 error[E0308]: mismatched types
  19   --> $DIR/issue-52443.rs:2:10
  20    |
  21 LL |     [(); & { loop { continue } } ];
  22    |          ^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `&_`
  23    |
  24    = note:   expected type `usize`
  25            found reference `&_`
  26 help: consider removing the borrow
  27    |
  28 LL -     [(); & { loop { continue } } ];
  29 LL +     [(); { loop { continue } } ];
  30    |
  31
  32 error[E0308]: mismatched types
  33   --> $DIR/issue-52443.rs:4:17
  34    |
  35 LL |     [(); loop { break }];
  36    |                 ^^^^^
  37    |                 |
  38    |                 expected `usize`, found `()`
  39    |                 help: give it a value of the expected type: `break 42`
  40
  41 error[E0015]: cannot convert `RangeFrom<usize>` into an iterator in constants
  42   --> $DIR/issue-52443.rs:9:21
  43    |
  44 LL |     [(); { for _ in 0usize.. {}; 0}];
  45    |                     ^^^^^^^^
  46    |
  47 note: impl defined here, but it is not `const`
  48   --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
  49    = note: calls in constants are limited to constant functions, tuple structs and tuple variants
  50    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
  51
  52 error[E0658]: mutable references are not allowed in constants
  53   --> $DIR/issue-52443.rs:9:21
  54    |
  55 LL |     [(); { for _ in 0usize.. {}; 0}];
  56    |                     ^^^^^^^^
  57    |
  58    = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
  59    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
  60
  61 error[E0277]: the trait bound `RangeFrom<usize>: Iterator` is not satisfied
  62   --> $DIR/issue-52443.rs:9:21
  63    |
  64 LL |     [(); { for _ in 0usize.. {}; 0}];
  65    |                     ^^^^^^^^ `RangeFrom<usize>` is not an iterator
  66    |
  67    = help: the trait `~const Iterator` is not implemented for `RangeFrom<usize>`
  68 note: the trait `Iterator` is implemented for `RangeFrom<usize>`, but that implementation is not `const`
  69   --> $DIR/issue-52443.rs:9:21
  70    |
  71 LL |     [(); { for _ in 0usize.. {}; 0}];
  72    |                     ^^^^^^^^
  73
  74 error[E0015]: cannot call non-const fn `<RangeFrom<usize> as Iterator>::next` in constants
  75   --> $DIR/issue-52443.rs:9:21
  76    |
  77 LL |     [(); { for _ in 0usize.. {}; 0}];
  78    |                     ^^^^^^^^
  79    |
  80    = note: calls in constants are limited to constant functions, tuple structs and tuple variants
  81    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
  82
  83 error: aborting due to 7 previous errors; 1 warning emitted
  84
  85 Some errors have detailed explanations: E0015, E0277, E0308, E0658.
  86 For more information about an error, try `rustc --explain E0015`.