| error: at least one trait must be specified |
| --> $DIR/generic_underconstrained.rs:9:35 |
| | |
| LL | type Underconstrained<T: Trait> = impl 'static; |
| | ^^^^^^^^^^^^ |
| |
| warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/generic_underconstrained.rs:3:32 |
| | |
| LL | #![cfg_attr(full_tait, feature(type_alias_impl_trait))] |
| | ^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: `#[warn(incomplete_features)]` on by default |
| = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information |
| |
| error[E0277]: the trait bound `T: Trait` is not satisfied |
| --> $DIR/generic_underconstrained.rs:13:31 |
| | |
| LL | type Underconstrained<T: Trait> = impl 'static; |
| | ----- required by this bound in `Underconstrained` |
| ... |
| LL | fn underconstrain<T>(_: T) -> Underconstrained<T> { |
| | ^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T` |
| | |
| help: consider restricting type parameter `T` |
| | |
| LL | fn underconstrain<T: Trait>(_: T) -> Underconstrained<T> { |
| | ^^^^^^^ |
| |
| error: aborting due to 2 previous errors; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0277`. |