1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 extern crate collections;
13 use std::collections::HashMap;
17 impl<K, V> Map<K, V> for HashMap<K, V> {}
19 // Test that trait types printed in error msgs include the type arguments.
22 let x: Box<HashMap<int, int>> = box HashMap::new();
23 let x: Box<Map<int, int>> = x;
24 let y: Box<Map<uint, int>> = box x;
25 //~^ ERROR the trait `Map<uint, int>` is not implemented