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.
12 fn chomp(&self, bamboo: &T) -> T;
15 trait Add<RHS,Result>: Panda<RHS> {
16 fn add(&self, rhs: &RHS) -> Result;
19 trait MyNum : Add<Self,Self> { }
21 struct MyInt { val: int }
23 impl Panda<MyInt> for MyInt {
24 fn chomp(&self, bamboo: &MyInt) -> MyInt {
25 mi(self.val + bamboo.val)
29 impl Add<MyInt, MyInt> for MyInt {
30 fn add(&self, other: &MyInt) -> MyInt { self.chomp(other) }
33 impl MyNum for MyInt {}
35 fn f<T:MyNum>(x: T, y: T) -> T {
36 return x.add(&y).chomp(&y);
39 fn mi(v: int) -> MyInt { MyInt { val: v } }
42 let (x, y) = (mi(3), mi(5));
44 assert_eq!(z.val, 13);