| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Test that we are able to compile the case where both a blanket impl |
| // and the object type itself supply the required trait obligation. |
| // In this case, the blanket impl for `Foo` applies to any type, |
| // including `Bar`, but the object type `Bar` also implicitly supplies |
| // this context. |
| |
| trait Foo { fn dummy(&self) { } } |
| |
| trait Bar: Foo { } |
| |
| impl<T:?Sized> Foo for T { } |
| |
| fn want_foo<B:?Sized+Foo>() { } |
| |
| fn main() { |
| want_foo::<Bar>(); |
| } |