| // 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. |
| |
| // revisions: a b c |
| |
| // aux-build:coherence_lib.rs |
| |
| // Test that the `Pair` type reports an error if it contains type |
| // parameters, even when they are covered by local types. This test |
| // was originally intended to test the opposite, but the rules changed |
| // with RFC 1023 and this became illegal. |
| |
| extern crate coherence_lib as lib; |
| use lib::{Remote,Pair}; |
| |
| pub struct Cover<T>(T); |
| |
| #[cfg(a)] |
| impl<T> Remote for Pair<T,Cover<T>> { } //[a]~ ERROR E0210 |
| |
| #[cfg(b)] |
| impl<T> Remote for Pair<Cover<T>,T> { } //[b]~ ERROR E0210 |
| |
| #[cfg(c)] |
| impl<T,U> Remote for Pair<Cover<T>,U> { } |
| //[c]~^ ERROR type parameter `T` must be used as the type parameter for some local type |
| |
| fn main() { } |
