| // Copyright 2013 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. |
| |
| // Test that shadowed lifetimes generate an error. |
| |
| #![feature(box_syntax)] |
| |
| struct Foo<T>(T); |
| |
| impl<T> Foo<T> { |
| fn shadow_in_method<T>(&self) {} |
| //~^ ERROR type parameter `T` shadows another type parameter |
| |
| fn not_shadow_in_item<U>(&self) { |
| struct Bar<T, U>(T,U); // not a shadow, separate item |
| fn foo<T, U>() {} // same |
| } |
| } |
| |
| trait Bar<T> { |
| fn dummy(&self) -> T; |
| |
| fn shadow_in_required<T>(&self); |
| //~^ ERROR type parameter `T` shadows another type parameter |
| |
| fn shadow_in_provided<T>(&self) {} |
| //~^ ERROR type parameter `T` shadows another type parameter |
| |
| fn not_shadow_in_required<U>(&self); |
| fn not_shadow_in_provided<U>(&self) {} |
| } |
| |
| fn main() {} |