// 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. fn f() -> isize { return 42; } pub fn main() { let g: fn() -> isize = f; let i: isize = g(); assert_eq!(i, 42); }