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// 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() {}
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