| // Copyright 2015 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(optin_builtin_traits)] |
| |
| trait MyTrait {} |
| |
| impl MyTrait for .. {} |
| |
| impl MyTrait for .. {} |
| //~^ ERROR redundant default implementations of trait `MyTrait` |
| |
| trait MySafeTrait {} |
| |
| unsafe impl MySafeTrait for .. {} |
| //~^ ERROR implementing the trait `MySafeTrait` is not unsafe |
| |
| unsafe trait MyUnsafeTrait {} |
| |
| impl MyUnsafeTrait for .. {} |
| //~^ ERROR the trait `MyUnsafeTrait` requires an `unsafe impl` declaration |
| |
| fn main() {} |
