| // 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. |
| |
| trait Product { |
| fn product(&self) -> int; |
| } |
| |
| struct Foo { |
| x: int, |
| y: int, |
| } |
| |
| pub impl Foo { |
| fn sum(&self) -> int { |
| self.x + self.y |
| } |
| } |
| |
| impl Product for Foo { |
| fn product(&self) -> int { |
| self.x * self.y |
| } |
| } |
| |
| fn Foo(x: int, y: int) -> Foo { |
| Foo { x: x, y: y } |
| } |
| |
| pub fn main() { |
| let foo = Foo(3, 20); |
| io::println(fmt!("%d %d", foo.sum(), foo.product())); |
| } |
| |