// 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. #![feature(macro_rules)] struct A; macro_rules! make_thirteen_method {() => (pub fn thirteen(&self)->int {13})} impl A { make_thirteen_method!() } fn main() { assert_eq!(A.thirteen(),13); }