adcdd605be
I've added some explicit tests that negative impls are allowed to overlap, and also to make sure that the feature doesn't interfere with specialization. I've not added an explicit test for positive overlapping with negative, as that's already tested elsewhere.
41 lines
949 B
Rust
41 lines
949 B
Rust
// Copyright 2015 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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#![feature(optin_builtin_traits)]
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#![feature(overlapping_marker_traits)]
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use std::marker::Copy;
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enum TestE {
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A
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}
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struct MyType;
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struct NotSync;
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impl !Sync for NotSync {}
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unsafe impl Send for TestE {}
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unsafe impl Send for MyType {}
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unsafe impl Send for (MyType, MyType) {}
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//~^ ERROR E0117
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unsafe impl Send for &'static NotSync {}
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//~^ ERROR E0321
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unsafe impl Send for [MyType] {}
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//~^ ERROR E0117
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unsafe impl Send for &'static [NotSync] {}
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//~^ ERROR E0117
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fn main() {
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}
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