1 // Copyright 2015 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.
13 // Test that even when `T` is only used in contravariant position, it
14 // is treated as invariant.
20 fn get_min_from_max<'min, 'max, G>()
21 where 'max : 'min, G : Get<&'max i32>
23 impls_get::<G,&'min i32>() //~ ERROR mismatched types
26 fn get_max_from_min<'min, 'max, G>()
27 where 'max : 'min, G : Get<&'min i32>
29 // Previously OK, but now an error because traits are invariant:
31 impls_get::<G,&'max i32>() //~ ERROR mismatched types
34 fn impls_get<G,T>() where G : Get<T> { }