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// 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 <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(macro_rules)]
macro_rules! print_hd_tl (
($field_hd:ident, $($field_tl:ident),+) => ({
print!("{}", stringify!($field)); //~ ERROR unknown macro variable
print!("::[");
$(
print!("{}", stringify!($field_tl));
print!(", ");
)+
// FIXME: #9970
print!("{}", "]\n");
})
)
fn main() {
print_hd_tl!(x, y, z, w)
}
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