src/test/ui/type-alias-impl-trait/issue-52843.full_tait.stderr

   1 warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes
   2   --> $DIR/issue-52843.rs:3:32
   3    |
   4 LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
   5    |                                ^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: `#[warn(incomplete_features)]` on by default
   8    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
   9
  10 error[E0277]: the trait bound `T: Default` is not satisfied
  11   --> $DIR/issue-52843.rs:6:15
  12    |
  13 LL | type Foo<T> = impl Default;
  14    |               ^^^^^^^^^^^^ the trait `Default` is not implemented for `T`
  15    |
  16 help: consider restricting type parameter `T`
  17    |
  18 LL | type Foo<T: Default> = impl Default;
  19    |           ^^^^^^^^^
  20
  21 error: aborting due to previous error; 1 warning emitted
  22
  23 For more information about this error, try `rustc --explain E0277`.