| // 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 Pushable<T> { |
| fn push_val(&mut self, t: T); |
| } |
| |
| impl<T> Pushable<T> for Vec<T> { |
| fn push_val(&mut self, t: T) { |
| self.push(t); |
| } |
| } |
| |
| pub fn main() { |
| let mut v = vec!(1); |
| v.push_val(2); |
| v.push_val(3); |
| assert_eq!(v, [1, 2, 3]); |
| } |
