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// 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
}
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