// Copyright 2014 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. static FOO : &'static str = concat!(concat!("hel", "lo"), "world"); pub fn main() { assert_eq!(FOO, "helloworld"); }