1 // Copyright 2014 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 // Tests that the reexports of `FnOnce` et al from the prelude work.
13 #![allow(unknown_features)]
14 #![feature(box_syntax)]
15 #![feature(unboxed_closures, core)]
18 // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
19 let task: Box<Fn(int) -> int> = Box::new(|x| x);
22 let mut task: Box<FnMut(int) -> int> = Box::new(|x| x);
28 fn call<F:FnOnce(int) -> int>(f: F, x: int) -> int {