rust/tests/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs

// Regression test for #62988

//@ check-pass

#![feature(impl_trait_in_assoc_type)]

trait MyTrait {
    type AssocType: Send;
    fn ret(&self) -> Self::AssocType;
}

impl MyTrait for () {
    type AssocType = impl Send;
    fn ret(&self) -> Self::AssocType {
        ()
    }
}

impl<'a> MyTrait for &'a () {
    type AssocType = impl Send;
    fn ret(&self) -> Self::AssocType {
        ()
    }
}

trait MyLifetimeTrait<'a> {
    type AssocType: Send + 'a;
    fn ret(&self) -> Self::AssocType;
}

impl<'a> MyLifetimeTrait<'a> for &'a () {
    type AssocType = impl Send + 'a;
    fn ret(&self) -> Self::AssocType {
        *self
    }
}

fn main() {}