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 #![feature(box_syntax)]
13 use std::collections::HashMap;
17 fn get(&self, k: K) -> V { panic!() }
20 impl<K, V> Map<K, V> for HashMap<K, V> {}
22 // Test that trait types printed in error msgs include the type arguments.
25 let x: Box<HashMap<isize, isize>> = box HashMap::new();
26 let x: Box<Map<isize, isize>> = x;
27 let y: Box<Map<usize, isize>> = Box::new(x);
28 //~^ ERROR `std::boxed::Box<dyn Map<isize, isize>>: Map<usize, isize>` is not satisfied