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// Copyright 2012 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.
pub trait Add<RHS,Result> {
fn add(&self, rhs: &RHS) -> Result;
}
trait MyNum : Add<Self,Self> { }
struct MyInt { val: int }
impl Add<MyInt, MyInt> for MyInt {
fn add(&self, other: &MyInt) -> MyInt { mi(self.val + other.val) }
}
impl MyNum for MyInt;
fn f<T:MyNum>(x: T, y: T) -> T {
return x.add(&y);
}
fn mi(v: int) -> MyInt { MyInt { val: v } }
pub fn main() {
let (x, y) = (mi(3), mi(5));
let z = f(x, y);
assert!(z.val == 8)
}
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