mirror of https://github.com/rust-lang/rust
25 lines
455 B
Rust
25 lines
455 B
Rust
//@ run-pass
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//@ revisions: old next
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//@[next] compile-flags: -Znext-solver
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#![allow(coherence_leak_check)]
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trait Trait: Sized {
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fn is_higher_ranked(self) -> bool;
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}
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impl Trait for for<'a> fn(&'a ()) {
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fn is_higher_ranked(self) -> bool {
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true
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}
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}
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impl<'a> Trait for fn(&'a ()) {
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fn is_higher_ranked(self) -> bool {
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false
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}
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}
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fn main() {
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let x: for<'a> fn(&'a ()) = |&()| ();
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assert!(x.is_higher_ranked());
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}
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