03ff28135c
As part of the audit for #22820 the following feature gate tests have been added: * `negate_unsigned` * `on_unimplemented` * `optin_builtin_traits` * `plugin` * `rustc_attrs` * `slice_patterns`
27 lines
885 B
Rust
27 lines
885 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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// Test that default and negative trait implementations are gated by
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// `optin_builtin_traits` feature gate
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struct DummyStruct;
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trait DummyTrait {
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fn dummy(&self) {}
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}
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impl DummyTrait for .. {}
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//~^ ERROR default trait implementations are experimental and possibly buggy
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impl !DummyTrait for DummyStruct {}
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//~^ ERROR negative trait bounds are not yet fully implemented; use marker types for now
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fn main() {}
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