src/test/ui/type-alias-impl-trait/generic_underconstrained2.stderr

   1 error: at least one trait must be specified
   2   --> $DIR/generic_underconstrained2.rs:5:45
   3    |
   4 LL | type Underconstrained<T: std::fmt::Debug> = impl 'static;
   5    |                                             ^^^^^^^^^^^^
   6
   7 error: at least one trait must be specified
   8   --> $DIR/generic_underconstrained2.rs:14:46
   9    |
  10 LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
  11    |                                              ^^^^^^^^^^^^
  12
  13 error[E0277]: `U` doesn't implement `std::fmt::Debug`
  14   --> $DIR/generic_underconstrained2.rs:5:1
  15    |
  16 LL | type Underconstrained<T: std::fmt::Debug> = impl 'static;
  17    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
  18 ...
  19 LL | fn underconstrained<U>(_: U) -> Underconstrained<U> {
  20    |                     - help: consider restricting this bound: `U: std::fmt::Debug`
  21    |
  22    = help: the trait `std::fmt::Debug` is not implemented for `U`
  23    = note: the return type of a function must have a statically known size
  24
  25 error[E0277]: `V` doesn't implement `std::fmt::Debug`
  26   --> $DIR/generic_underconstrained2.rs:14:1
  27    |
  28 LL | type Underconstrained2<T: std::fmt::Debug> = impl 'static;
  29    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `V` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
  30 ...
  31 LL | fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> {
  32    |                         - help: consider restricting this bound: `V: std::fmt::Debug`
  33    |
  34    = help: the trait `std::fmt::Debug` is not implemented for `V`
  35    = note: the return type of a function must have a statically known size
  36
  37 error: aborting due to 4 previous errors
  38
  39 For more information about this error, try `rustc --explain E0277`.