// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. struct closure_box<'a> { cl: Box, } fn box_it<'r>(x: Box) -> 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(()); }