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// Copyright 2012 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.
fn borrow<T>(x: &T) -> &T {x}
fn foo<C, M>(mut cond: C, mut make_box: M) where
C: FnMut() -> bool,
M: FnMut() -> Box<isize>,
{
let mut y: &isize;
loop {
let x = make_box();
// Here we complain because the resulting region
// of this borrow is the fn body as a whole.
y = borrow(&*x);
//~^ ERROR `*x` does not live long enough
assert_eq!(*x, *y);
if cond() { break; }
}
assert!(*y != 0);
}
fn main() {}
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