src/test/ui/traits/wf-trait-object-only-maybe-bound.rs

   1 // Test that `dyn ?Sized` (i.e., a trait object with only a maybe buond) is not allowed.
   2
   3 type _0 = dyn ?Sized;
   4 //~^ ERROR at least one trait is required for an object type [E0224]
   5 //~| ERROR ?Trait` is not permitted in trait object types
   6
   7 fn main() {}