mirror of https://github.com/rust-lang/rust
24 lines
432 B
Rust
24 lines
432 B
Rust
// This test should compile, as the lifetimes
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// in matches don't really matter.
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//
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// We currently use contravariance when checking the
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// type of match arms.
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trait Foo<'a> {
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const C: &'a u32;
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}
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impl<'a, T> Foo<'a> for T {
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const C: &'a u32 = &22;
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}
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fn foo<'a>(x: &'static u32) {
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match x {
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<() as Foo<'a>>::C => { }
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//~^ ERROR lifetime may not live long enough
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&_ => { }
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}
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}
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fn main() {}
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