// Copyright 2012-2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. extern crate collections; use std::collections::HashMap; pub fn main() { let mut m = HashMap::new(); m.insert(b"foo".to_vec(), b"bar".to_vec()); println!("{}", m); }