1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test that the call operator autoderefs when calling to an object type.
13 #![allow(unknown_features)]
14 #![feature(unboxed_closures)]
18 fn make_adder(x: isize) -> Box<FnMut(isize)->isize + 'static> {
19 // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
20 Box::new(move |y| { x + y })
24 let mut adder = make_adder(3);