1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Regression test for issue #22246 -- we should be able to deduce
12 // that `&'a B::Owned` implies that `B::Owned : 'a`.
19 type Owned: Borrow<Self>;
20 fn to_owned(&self) -> Self::Owned;
23 pub trait Borrow<Borrowed> {
24 fn borrow(&self) -> &Borrowed;
27 pub struct Foo<B:ToOwned> {
31 fn foo<B:ToOwned>(this: &Foo<B>) -> &B {