| // 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 #27592. |
| |
| 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!("{}", String::from("Hello world"))); |
| //~^ ERROR borrowed value does not live long enough |
| //~| ERROR borrowed value does not live long enough |
| } |
