src/test/ui/generic-associated-types/issue-68645-codegen-fulfillment.rs

   1 // Regression test for #68645
   2
   3 #![feature(generic_associated_types)]
   4 //~^ WARNING the feature `generic_associated_types` is incomplete and may not
   5
   6 trait Fun {
   7     type F<'a>: Fn() -> u32;
   8
   9     fn callme<'a>(f: Self::F<'a>) -> u32 {
  10         f()
  11     }
  12 }
  13
  14 impl<T> Fun for T {
  15     type F<'a> = Self;
  16     //~^ ERROR expected a `Fn<()>` closure, found `T`
  17 }
  18
  19 fn main() {
  20     <&dyn Iterator<Item = u8>>::callme(&std::iter::once(1));
  21 }