1 // Copyright 2014 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.
12 #![feature(rustc_attrs)]
14 // Check that bounds on type parameters (other than `Self`) do not
15 // influence variance.
18 trait Getter<T> { //~ ERROR [o, o]
23 trait Setter<T> { //~ ERROR [o, o]
28 struct TestStruct<U,T:Setter<U>> { //~ ERROR [+, +]
33 enum TestEnum<U,T:Setter<U>> {//~ ERROR [*, +]
34 //~^ ERROR parameter `U` is never used
39 trait TestTrait<U,T:Setter<U>> { //~ ERROR [o, o, o]
40 fn getter(&self, u: U) -> T;
44 trait TestTrait2<U> : Getter<U> { //~ ERROR [o, o]
48 trait TestTrait3<U> { //~ ERROR [o, o]
49 fn getter<T:Getter<U>>(&self);
53 struct TestContraStruct<U,T:Setter<U>> { //~ ERROR [*, +]
54 //~^ ERROR parameter `U` is never used
59 struct TestBox<U,T:Getter<U>+Setter<U>> { //~ ERROR [*, +]
60 //~^ ERROR parameter `U` is never used