| // 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. |
| |
| |
| #![feature(collections)] |
| |
| extern crate collections; |
| |
| use std::collections::HashMap; |
| |
| pub fn main() { |
| let mut h = HashMap::new(); |
| let kvs = [(1, 10), (2, 20), (3, 30)]; |
| for &(k,v) in &kvs { |
| h.insert(k,v); |
| } |
| let mut x = 0; |
| let mut y = 0; |
| for (&k,&v) in &h { |
| x += k; |
| y += v; |
| } |
| assert_eq!(x, 6); |
| assert_eq!(y, 60); |
| } |
