// Copyright 2012 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. // xfail-pretty - token trees can't pretty print #[feature(macro_rules)]; pub fn main() { macro_rules! mylambda_tt( ($x:ident, $body:expr) => ({ fn f($x: int) -> int { return $body; }; f }) ) assert!(mylambda_tt!(y, y * 2)(8) == 16) }