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

   1 error[E0308]: mismatched types
   2   --> $DIR/never_reveal_concrete_type.rs:13:27
   3    |
   4 LL | type NoReveal = impl std::fmt::Debug;
   5    |                 -------------------- the found opaque type
   6 ...
   7 LL |     let _: &'static str = x;
   8    |            ------------   ^ expected `&str`, found opaque type
   9    |            |
  10    |            expected due to this
  11    |
  12    = note: expected reference `&'static str`
  13             found opaque type `impl Debug`
  14
  15 error[E0605]: non-primitive cast: `impl Debug` as `&'static str`
  16   --> $DIR/never_reveal_concrete_type.rs:14:13
  17    |
  18 LL |     let _ = x as &'static str;
  19    |             ^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
  20
  21 error: aborting due to 2 previous errors
  22
  23 Some errors have detailed explanations: E0308, E0605.
  24 For more information about an error, try `rustc --explain E0308`.