src/test/ui/polymorphization/generators.stderr

   1 warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
   2   --> $DIR/generators.rs:3:12
   3    |
   4 LL | #![feature(generic_const_exprs, generators, generator_trait, rustc_attrs)]
   5    |            ^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
   8    = note: `#[warn(incomplete_features)]` on by default
   9
  10 error: item has unused generic parameters
  11   --> $DIR/generators.rs:35:5
  12    |
  13 LL | pub fn unused_type<T>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
  14    |                    - generic parameter `T` is unused
  15 LL |     || {
  16    |     ^^
  17
  18 note: the above error was encountered while instantiating `fn finish::<[generator@$DIR/generators.rs:35:5: 35:7], u32, u32>`
  19   --> $DIR/generators.rs:86:5
  20    |
  21 LL |     finish(unused_type::<u32>());
  22    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  23
  24 error: item has unused generic parameters
  25   --> $DIR/generators.rs:60:5
  26    |
  27 LL | pub fn unused_const<const T: u32>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
  28    |                     ------------ generic parameter `T` is unused
  29 LL |     || {
  30    |     ^^
  31
  32 note: the above error was encountered while instantiating `fn finish::<[generator@$DIR/generators.rs:60:5: 60:7], u32, u32>`
  33   --> $DIR/generators.rs:89:5
  34    |
  35 LL |     finish(unused_const::<1u32>());
  36    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  37
  38 error: aborting due to 2 previous errors; 1 warning emitted
  39