src/test/ui/suggestions/return-cycle-2.rs

   1 use std::marker::PhantomData;
   2
   3 struct Token<T>(PhantomData<T>);
   4
   5 impl<T> Token<T> {
   6     fn as_ref(_: i32, _: i32) -> _ {
   7         //~^ ERROR the placeholder `_` is not allowed within types on item signatures for return types
   8         //~| NOTE not allowed in type signatures
   9         //~| HELP replace with the correct return type
  10         Token(PhantomData::<&T>)
  11     }
  12 }
  13
  14 fn main() {}