added main empty_impl template forward decl

[SVN r73689]
This commit is contained in:
Joel de Guzman
2011-08-12 05:18:44 +00:00
parent acc306d783
commit faa5746f6d

View File

@ -2,7 +2,7 @@
Copyright (c) 2001-2006 Joel de Guzman
Copyright (c) 2005-2006 Dan Marsden
Distributed under the Boost Software License, Version 1.0. (See accompanying
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#if !defined(BOOST_FUSION_EMPTY_IMPL_31122005_1554)
@ -10,12 +10,15 @@
#include <boost/mpl/empty.hpp>
namespace boost { namespace fusion
namespace boost { namespace fusion
{
struct mpl_sequence_tag;
namespace extension
{
template <typename Sequence>
struct empty_impl;
template <>
struct empty_impl<mpl_sequence_tag>
{