| // 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 <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. |
| |
| // ignore-pretty |
| |
| macro_rules! third { |
| ($e:expr) => ({let x = 2; $e[x]}) |
| } |
| |
| fn main() { |
| let x = vec!(10_usize,11_usize,12_usize,13_usize); |
| let t = third!(x); |
| assert_eq!(t,12_usize); |
| } |
