31 lines
542 B
Rust
31 lines
542 B
Rust
// check-pass
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#![allow(dead_code)]
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// pretty-expanded FIXME #23616
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pub trait Borrow<Borrowed: ?Sized> {
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fn borrow(&self) -> &Borrowed;
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}
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impl<T: Sized> Borrow<T> for T {
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fn borrow(&self) -> &T { self }
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}
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trait Foo {
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fn foo(&self, other: &Self);
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}
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fn bar<K, Q>(k: &K, q: &Q) where K: Borrow<Q>, Q: Foo {
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q.foo(k.borrow())
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}
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struct MyTree<K>(K);
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impl<K> MyTree<K> {
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// This caused a failure in #18906
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fn bar<Q>(k: &K, q: &Q) where K: Borrow<Q>, Q: Foo {
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q.foo(k.borrow())
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}
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}
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fn main() {}
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