// Copyright 2012-2014 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. // this now fails (correctly, I claim) because hygiene prevents // the assembled identifier from being a reference to the binding. #![feature(concat_idents)] pub fn main() { let asdf_fdsa = "<.<".to_string(); assert_eq!(concat_idents!(asd, f_f, dsa), "<.<".to_string()); //~^ ERROR: unresolved name `asdf_fdsa` assert!(stringify!(use_mention_distinction) == "use_mention_distinction"); }