[rustc.git] / src / test / ui / type-alias-impl-trait / type-alias-impl-trait-unconstrained-lifetime.rs

// regression test for #74018

// revisions: min_tait full_tait
#![feature(min_type_alias_impl_trait)]
#![cfg_attr(full_tait, feature(type_alias_impl_trait))]
//[full_tait]~^ WARN incomplete

trait Trait {
    type Associated;
    fn into(self) -> Self::Associated;
}

impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) {
    //~^ ERROR the lifetime parameter `'a` is not constrained
    type Associated = (i32, impl Iterator<Item = i32>);
    fn into(self) -> Self::Associated {
        (0_i32, [0_i32].iter().copied())
    }
}

fn main() {}
Commit	Line	Data
1b1a35ee XL	1	// regression test for #74018
1b1a35ee XL	2
6a06907d XL	3	// revisions: min_tait full_tait
	4	#![feature(min_type_alias_impl_trait)]
	5	#![cfg_attr(full_tait, feature(type_alias_impl_trait))]
	6	//[full_tait]~^ WARN incomplete
1b1a35ee XL	7
	8	trait Trait {
	9	type Associated;
	10	fn into(self) -> Self::Associated;
	11	}
	12
	13	impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) {
	14	//~^ ERROR the lifetime parameter `'a` is not constrained
	15	type Associated = (i32, impl Iterator<Item = i32>);
	16	fn into(self) -> Self::Associated {
	17	(0_i32, [0_i32].iter().copied())
	18	}
	19	}
	20
	21	fn main() {}