// 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 force(f: fn() -> int) -> int { return f(); } fn main() { fn f() -> int { return 7; } assert (force(f) == 7); let g = {||force(f)}; assert (g() == 7); }