38 lines
1.2 KiB
Rust
38 lines
1.2 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// revisions: a b c
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// aux-build:coherence_lib.rs
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// pretty-expanded FIXME #23616
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// Test that the `Pair` type reports an error if it contains type
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// parameters, even when they are covered by local types. This test
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// was originally intended to test the opposite, but the rules changed
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// with RFC 1023 and this became illegal.
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extern crate coherence_lib as lib;
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use lib::{Remote,Pair};
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pub struct Cover<T>(T);
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#[cfg(a)]
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impl<T> Remote for Pair<T,Cover<T>> { } //[a]~ ERROR E0210
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#[cfg(b)]
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impl<T> Remote for Pair<Cover<T>,T> { } //[b]~ ERROR E0210
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#[cfg(c)]
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impl<T,U> Remote for Pair<Cover<T>,U> { }
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//[c]~^ ERROR type parameter `T` must be used as the type parameter for some local type
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fn main() { }
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