// 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.

macro_rules! list {
    ( ($($id:ident),*) ) => (());
    ( [$($id:ident),*] ) => (());
    ( {$($id:ident),*} ) => (());
}

macro_rules! tt_list {
    ( ($($tt:tt),*) ) => (());
}

pub fn main() {
    list!( () );
    list!( [] );
    list!( {} );

    tt_list!( (a, b, c) );
    tt_list!( () );
}