1 // Copyright 2015 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 // Tests that default impls do not have to supply all items but regular impls do.
13 #![feature(specialization)]
16 fn foo_one(&self) -> &'static str;
17 fn foo_two(&self) -> &'static str;
22 default impl<T> Foo for T {
23 fn foo_one(&self) -> &'static str {
28 impl Foo for MyStruct {}
29 //~^ ERROR not all trait items implemented, missing: `foo_two` [E0046]
32 println!("{}", MyStruct.foo_one());