// Copyright 2013 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)] // after fixing #9384 and implementing hygiene for match bindings, // this now fails because the insertion of the 'y' into the match // doesn't cause capture. Making this macro hygienic (as I've done) // could very well make this test case completely pointless.... enum T { A(int), B(uint) } macro_rules! test( ($id:ident, $e:expr) => ( fn foo(t: T) -> int { match t { T::A($id) => $e, T::B($id) => $e } } ) ); test!(y, 10 + (y as int)); pub fn main() { foo(T::A(20)); }