mpl/aux_/pop_front_impl.hpp

0001
0002 #ifndef BOOST_MPL_AUX_POP_FRONT_IMPL_HPP_INCLUDED
0003 #define BOOST_MPL_AUX_POP_FRONT_IMPL_HPP_INCLUDED
0004
0005 // Copyright Aleksey Gurtovoy 2000-2004
0006 //
0007 // Distributed under the Boost Software License, Version 1.0.
0008 // (See accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010 //
0011 // See http://www.boost.org/libs/mpl for documentation.
0012
0013 // $Id$
0014 // $Date$
0015 // $Revision$
0016
0017 #include <boost/mpl/pop_front_fwd.hpp>
0018 #include <boost/mpl/aux_/traits_lambda_spec.hpp>
0019 #include <boost/mpl/aux_/config/workaround.hpp>
0020 #include <boost/mpl/aux_/config/msvc.hpp>
0021
0022 namespace boost { namespace mpl {
0023
0024 // no default implementation; the definition is needed to make MSVC happy
0025
0026 template< typename Tag >
0027 struct pop_front_impl
0028 {
0029     template< typename Sequence > struct apply
0030     // conservatively placed, but maybe should go outside surrounding
0031     // braces.
0032 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
0033     {
0034         typedef int type;
0035     }
0036 #endif
0037     ;
0038 };
0039
0040 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, pop_front_impl)
0041
0042 }}
0043
0044 #endif // BOOST_MPL_AUX_POP_FRONT_IMPL_HPP_INCLUDED