| // 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. |
| |
| struct MyType; |
| |
| struct MyType1<T>(T); |
| |
| trait Bar { |
| type Out; |
| } |
| |
| impl<T> MyType { |
| //~^ ERROR the type parameter `T` is not constrained |
| } |
| |
| impl<T> MyType1<T> { |
| // OK, T is used in `Foo<T>`. |
| } |
| |
| impl<T,U> MyType1<T> { |
| //~^ ERROR the type parameter `U` is not constrained |
| } |
| |
| impl<T,U> MyType1<T> where T: Bar<Out=U> { |
| // OK, T is used in `Foo<T>`. |
| } |
| |
| fn main() { } |
