// 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. // Test a function that takes/returns a u32. pub extern { pub fn rust_dbg_extern_identity_u32(v: u32) -> u32; } pub fn main() { unsafe { fail_unless!(22_u32 == rust_dbg_extern_identity_u32(22_u32)); } }