| // Copyright 2013 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. |
| |
| |
| fn f(x: isize) -> isize { x } |
| fn g(x: isize) -> isize { 2 * x } |
| |
| static F: fn(isize) -> isize = f; |
| static mut G: fn(isize) -> isize = f; |
| |
| pub fn main() { |
| assert_eq!(F(42), 42); |
| unsafe { |
| assert_eq!(G(42), 42); |
| G = g; |
| assert_eq!(G(42), 84); |
| } |
| } |
