tests/ui/consts/const-for.stderr

   1 error[E0015]: cannot convert `std::ops::Range<i32>` into an iterator in constants
   2   --> $DIR/const-for.rs:5:14
   3    |
   4 LL |     for _ in 0..5 {}
   5    |              ^^^^
   6    |
   7 note: impl defined here, but it is not `const`
   8   --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
   9    = note: calls in constants are limited to constant functions, tuple structs and tuple variants
  10    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
  11
  12 error[E0277]: the trait bound `std::ops::Range<i32>: Iterator` is not satisfied
  13   --> $DIR/const-for.rs:5:14
  14    |
  15 LL |     for _ in 0..5 {}
  16    |              ^^^^ `std::ops::Range<i32>` is not an iterator
  17    |
  18    = help: the trait `~const Iterator` is not implemented for `std::ops::Range<i32>`
  19 note: the trait `Iterator` is implemented for `std::ops::Range<i32>`, but that implementation is not `const`
  20   --> $DIR/const-for.rs:5:14
  21    |
  22 LL |     for _ in 0..5 {}
  23    |              ^^^^
  24
  25 error[E0015]: cannot call non-const fn `<std::ops::Range<i32> as Iterator>::next` in constants
  26   --> $DIR/const-for.rs:5:14
  27    |
  28 LL |     for _ in 0..5 {}
  29    |              ^^^^
  30    |
  31    = note: calls in constants are limited to constant functions, tuple structs and tuple variants
  32    = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
  33
  34 error: aborting due to 3 previous errors
  35
  36 Some errors have detailed explanations: E0015, E0277.
  37 For more information about an error, try `rustc --explain E0015`.