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)]
16 // Check that a type parameter which is only used in a trait bound is
17 // not considered bivariant.
20 struct InvariantMut<'a,A:'a,B:'a> { //~ ERROR [-, o, o]
25 struct InvariantCell<A> { //~ ERROR [o]
30 struct InvariantIndirect<A> { //~ ERROR [o]
35 struct Covariant<A> { //~ ERROR [+]
40 struct Contravariant<A> { //~ ERROR [-]
45 enum Enum<A,B,C> { //~ ERROR [+, -, o]
47 Bar(Contravariant<B>),
48 Zed(Covariant<C>,Contravariant<C>)