// 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. // -*- rust -*- fn foo(f: extern fn(int) -> int) { } fn id(x: int) -> int { return x; } fn main() { foo(id); }