src/test/ui/impl-trait/in-trait/default-body-type-err.rs

   1 #![allow(incomplete_features)]
   2 #![feature(return_position_impl_trait_in_trait)]
   3
   4 use std::ops::Deref;
   5
   6 pub trait Foo {
   7     fn lol(&self) -> impl Deref<Target = String> {
   8         //~^ type mismatch resolving `<&i32 as Deref>::Target == String`
   9         &1i32
  10     }
  11 }
  12
  13 fn main() {}