| // Copyright 2014 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. |
| |
| #![allow(dead_code)] |
| #![feature(rustc_attrs)] |
| |
| // Check that bounds on type parameters (other than `Self`) do not |
| // influence variance. |
| |
| trait Getter<T> { |
| fn get(&self) -> T; |
| } |
| |
| trait Setter<T> { |
| fn get(&self, _: T); |
| } |
| |
| #[rustc_variance] |
| struct TestStruct<U,T:Setter<U>> { //~ ERROR [+, +] |
| t: T, u: U |
| } |
| |
| #[rustc_variance] |
| enum TestEnum<U,T:Setter<U>> { //~ ERROR [*, +] |
| Foo(T) |
| } |
| |
| #[rustc_variance] |
| struct TestContraStruct<U,T:Setter<U>> { //~ ERROR [*, +] |
| t: T |
| } |
| |
| #[rustc_variance] |
| struct TestBox<U,T:Getter<U>+Setter<U>> { //~ ERROR [*, +] |
| t: T |
| } |
| |
| pub fn main() { } |