| // 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. |
| |
| // Tests that the reexports of `FnOnce` et al from the prelude work. |
| |
| // pretty-expanded FIXME #23616 |
| |
| fn main() { |
| let task: Box<Fn(isize) -> isize> = Box::new(|x| x); |
| task(0); |
| |
| let mut task: Box<FnMut(isize) -> isize> = Box::new(|x| x); |
| task(0); |
| |
| call(|x| x, 22); |
| } |
| |
| fn call<F:FnOnce(isize) -> isize>(f: F, x: isize) -> isize { |
| f(x) |
| } |
