[rustc.git] / tests / ui / type-alias-impl-trait / issue-57188-associate-impl-capture.rs

// Regression test for #57188

// check-pass

#![feature(impl_trait_in_assoc_type)]

struct Baz<'a> {
    source: &'a str,
}

trait Foo<'a> {
    type T: Iterator<Item = Baz<'a>> + 'a;
    fn foo(source: &'a str) -> Self::T;
}

struct Bar;
impl<'a> Foo<'a> for Bar {
    type T = impl Iterator<Item = Baz<'a>> + 'a;
    fn foo(source: &'a str) -> Self::T {
        std::iter::once(Baz { source })
    }
}

fn main() {}
Commit	Line	Data
f035d41b XL	1	// Regression test for #57188
	2
	3	// check-pass
	4
353b0b11	5	#![feature(impl_trait_in_assoc_type)]
f035d41b XL	6
	7	struct Baz<'a> {
	8	source: &'a str,
	9	}
	10
	11	trait Foo<'a> {
	12	type T: Iterator<Item = Baz<'a>> + 'a;
	13	fn foo(source: &'a str) -> Self::T;
	14	}
	15
	16	struct Bar;
	17	impl<'a> Foo<'a> for Bar {
	18	type T = impl Iterator<Item = Baz<'a>> + 'a;
	19	fn foo(source: &'a str) -> Self::T {
	20	std::iter::once(Baz { source })
	21	}
	22	}
	23
	24	fn main() {}