src/test/ui/type-alias-impl-trait/generic_underconstrained.stderr

   1 error: at least one trait must be specified
   2   --> $DIR/generic_underconstrained.rs:6:35
   3    |
   4 LL | type Underconstrained<T: Trait> = impl 'static;
   5    |                                   ^^^^^^^^^^^^
   6
   7 error[E0277]: the trait bound `T: Trait` is not satisfied
   8   --> $DIR/generic_underconstrained.rs:6:1
   9    |
  10 LL | type Underconstrained<T: Trait> = impl 'static;
  11    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T`
  12 ...
  13 LL | fn underconstrain<T>(_: T) -> Underconstrained<T> {
  14    |                   - help: consider restricting this bound: `T: Trait`
  15    |
  16    = note: the return type of a function must have a statically known size
  17
  18 error: aborting due to 2 previous errors
  19
  20 For more information about this error, try `rustc --explain E0277`.