[rustc.git] / src / test / ui / generic-associated-types / issue-68645-codegen-fulfillment.rs

// Regression test for #68645

#![feature(generic_associated_types)]
//~^ WARNING the feature `generic_associated_types` is incomplete and may not

trait Fun {
    type F<'a>: Fn() -> u32;

    fn callme<'a>(f: Self::F<'a>) -> u32 {
        f()
    }
}

impl<T> Fun for T {
    type F<'a> = Self;
    //~^ ERROR expected a `Fn<()>` closure, found `T`
}

fn main() {
    <&dyn Iterator<Item = u8>>::callme(&std::iter::once(1));
}
Commit	Line	Data
f035d41b XL	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;
1b1a35ee	16	//~^ ERROR expected a `Fn<()>` closure, found `T`
f035d41b XL	17	}
	18
	19	fn main() {
	20	<&dyn Iterator<Item = u8>>::callme(&std::iter::once(1));
	21	}