| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![feature(concat_idents)] |
| |
| pub fn main() { |
| struct Foo; |
| let _: concat_idents!(F, oo) = Foo; // Test that `concat_idents!` can be used in type positions |
| |
| let asdf_fdsa = "<.<".to_string(); |
| // this now fails (correctly, I claim) because hygiene prevents |
| // the assembled identifier from being a reference to the binding. |
| assert!(concat_idents!(asd, f_f, dsa) == "<.<".to_string()); |
| //~^ ERROR cannot find value `asdf_fdsa` in this scope |
| |
| assert_eq!(stringify!(use_mention_distinction), "use_mention_distinction"); |
| } |
