mirror of https://github.com/rust-lang/rust
29 lines
469 B
Rust
29 lines
469 B
Rust
// Test that when we have a `<T as MyTrait<'a>>::Output: 'a`
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// relationship in the environment we take advantage of it. In this
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// case, that means we **don't** have to prove that `T: 'a`.
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//
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// Regression test for #53121.
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//
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//@ check-pass
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trait MyTrait<'a> {
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type Output;
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}
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fn foo<'a, T>() -> &'a ()
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where
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T: MyTrait<'a>,
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<T as MyTrait<'a>>::Output: 'a,
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{
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bar::<T::Output>()
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}
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fn bar<'a, T>() -> &'a ()
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where
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T: 'a,
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{
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&()
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}
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fn main() {}
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