| // 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. |
| |
| #![feature(unboxed_closures)] |
| |
| struct closure_box<'a> { |
| cl: Box<FnMut() + 'a>, |
| } |
| |
| fn box_it<'r>(x: Box<FnMut() + 'r>) -> closure_box<'r> { |
| closure_box {cl: x} |
| } |
| |
| fn main() { |
| let mut cl_box = { |
| let mut i = 3; |
| // FIXME (#22405): Replace `Box::new` with `box` here when/if possible. |
| box_it(Box::new(|| i += 1)) //~ ERROR `i` does not live long enough |
| }; |
| cl_box.cl.call_mut(()); |
| } |
