1 // Copyright 2012 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 // pretty-expanded FIXME #23616
13 trait A { fn a(&self) -> int; }
14 trait B: A { fn b(&self) -> int; }
15 trait C: A { fn c(&self) -> int; }
17 struct S { bogus: () }
19 impl A for S { fn a(&self) -> int { 10 } }
20 impl B for S { fn b(&self) -> int { 20 } }
21 impl C for S { fn c(&self) -> int { 30 } }
23 // Both B and C inherit from A
24 fn f<T:B + C>(x: &T) {
25 assert_eq!(x.a(), 10);
26 assert_eq!(x.b(), 20);
27 assert_eq!(x.c(), 30);