d19e4c4a85
Properly parse impls for the never type `!` Recover from missing `for` in `impl Trait for Type` Prohibit inherent default impls and default impls of auto traits Change wording in more diagnostics to use "auto traits" Some minor code cleanups in the parser
21 lines
879 B
Rust
21 lines
879 B
Rust
// Copyright 2017 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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// compile-flags: -Z parse-only -Z continue-parse-after-error
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impl ! {} // OK
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impl ! where u8: Copy {} // OK
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impl Trait Type {} //~ ERROR missing `for` in a trait impl
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impl Trait .. {} //~ ERROR missing `for` in a trait impl
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impl ?Sized for Type {} //~ ERROR expected a trait, found type
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impl ?Sized for .. {} //~ ERROR expected a trait, found type
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default unsafe FAIL //~ ERROR expected `impl`, found `FAIL`
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