40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
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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#![feature(underscore_lifetimes)]
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struct Foo<'a>(&'a u8);
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struct Baz<'a>(&'_ &'a u8); //~ ERROR missing lifetime specifier
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impl Foo<'_> { //~ ERROR missing lifetime specifier
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fn x() {}
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}
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fn foo<'_> //~ ERROR invalid lifetime parameter name: `'_`
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(_: Foo<'_>) {}
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trait Meh<'a> {}
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impl<'a> Meh<'a> for u8 {}
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fn meh() -> Box<for<'_> Meh<'_>> //~ ERROR invalid lifetime parameter name: `'_`
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//~^ ERROR missing lifetime specifier
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//~^^ ERROR missing lifetime specifier
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{
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Box::new(5u8)
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}
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fn foo2(_: &'_ u8, y: &'_ u8) -> &'_ u8 { y } //~ ERROR missing lifetime specifier
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fn main() {
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let x = 5;
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foo(Foo(&x));
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let _ = meh();
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}
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