30 lines
991 B
Rust
30 lines
991 B
Rust
// Copyright 2015 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.
|
|
|
|
// Regression test for issue #27591.
|
|
|
|
fn write<'a, F: ::std::ops::FnOnce()->::std::fmt::Arguments<'a> + 'a>(fcn: F) {
|
|
use std::fmt::Write;
|
|
let _ = match fcn() { a => write!(&mut Stream, "{}", a), };
|
|
}
|
|
|
|
struct Stream;
|
|
impl ::std::fmt::Write for Stream {
|
|
fn write_str(&mut self, _s: &str) -> ::std::fmt::Result {
|
|
Ok( () )
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
write(|| format_args!("{}", "Hello world"));
|
|
//~^ ERROR borrowed value does not live long enough
|
|
//~| ERROR borrowed value does not live long enough
|
|
}
|