mirror of https://github.com/rust-lang/rust
26 lines
562 B
Rust
26 lines
562 B
Rust
//@ edition:2018
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//@ build-pass (FIXME(62277): could be check-pass?
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trait Trait<'a, 'b> {}
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impl<T> Trait<'_, '_> for T {}
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// Test case where we have elision in the impl trait and we have to
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// pick the right region.
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// Ultimately `Trait<'x, 'static>`.
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fn upper_bounds1(a: &u8) -> impl Trait<'_, 'static> {
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(a, a)
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}
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// Ultimately `Trait<'x, 'x>`, so not really multiple bounds.
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fn upper_bounds2(a: &u8) -> impl Trait<'_, '_> {
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(a, a)
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}
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// Kind of a weird annoying case.
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fn upper_bounds3<'b>(a: &u8) -> impl Trait<'_, 'b> {
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(a, a)
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}
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fn main() {}
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