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.
13 // aux-build:coherence_lib.rs
15 // pretty-expanded FIXME #23616
17 // Test that the `Pair` type reports an error if it contains type
18 // parameters, even when they are covered by local types. This test
19 // was originally intended to test the opposite, but the rules changed
20 // with RFC 1023 and this became illegal.
22 extern crate coherence_lib as lib;
23 use lib::{Remote,Pair};
25 pub struct Cover<T>(T);
28 impl<T> Remote for Pair<T,Cover<T>> { } //[a]~ ERROR E0210
31 impl<T> Remote for Pair<Cover<T>,T> { } //[b]~ ERROR E0210
34 impl<T,U> Remote for Pair<Cover<T>,U> { }
35 //[c]~^ ERROR type parameter `T` must be used as the type parameter for some local type