06506bb751
DefaultImpl is a highly confusing name for what we now call auto impls, as in `impl Send for ..`. The name auto impl is not formally decided but for sanity anything is better than `DefaultImpl` which refers neither to `default impl` nor to `impl Default`.
31 lines
910 B
Rust
31 lines
910 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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trait MyTrait { fn foo() {} }
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impl MyTrait for .. {}
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//~^ ERROR redundant auto implementations of trait `MyTrait`
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impl MyTrait for .. {}
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trait MySafeTrait {}
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unsafe impl MySafeTrait for .. {}
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//~^ ERROR implementing the trait `MySafeTrait` is not unsafe
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unsafe trait MyUnsafeTrait {}
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impl MyUnsafeTrait for .. {}
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//~^ ERROR the trait `MyUnsafeTrait` requires an `unsafe impl` declaration
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fn main() {}
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