| // Copyright 2014 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. |
| |
| struct Guard<'a> { |
| f: Box<Fn() + Send + 'a>, |
| } |
| |
| fn scoped<'a, F: Fn() + Send + 'a>(f: F) -> Guard<'a> { |
| Guard { f: Box::new(f) } |
| } |
| |
| impl<'a> Guard<'a> { |
| fn join(self) {} |
| } |
| |
| fn main() { |
| let bad = { |
| let x = 1; |
| let y = &x; //~ ERROR `x` does not live long enough |
| |
| scoped(|| { |
| //~^ ERROR `y` does not live long enough |
| let _z = y; |
| }) |
| }; |
| |
| bad.join(); |
| } |
