33 lines
893 B
Rust
33 lines
893 B
Rust
|
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
#![feature(underscore_lifetimes)]
|
||
|
|
|
||
|
|
struct Foo<'a>(&'a u8);
|
||
|
|
|
||
|
|
fn foo<'_> //~ ERROR invalid lifetime parameter name: `'_`
|
||
|
|
(_: Foo<'_>) {}
|
||
|
|
|
||
|
|
trait Meh<'a> {}
|
||
|
|
impl<'a> Meh<'a> for u8 {}
|
||
|
|
|
||
|
|
fn meh() -> Box<for<'_> Meh<'_>> //~ ERROR invalid lifetime parameter name: `'_`
|
||
|
|
//~^ ERROR missing lifetime specifier
|
||
|
|
//~^^ ERROR missing lifetime specifier
|
||
|
|
{
|
||
|
|
Box::new(5u8)
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let x = 5;
|
||
|
|
foo(Foo(&x));
|
||
|
|
let _ = meh();
|
||
|
|
}
|