1 
2 #ifndef BOOST_MPL_AUX_POP_FRONT_IMPL_HPP_INCLUDED
3 #define BOOST_MPL_AUX_POP_FRONT_IMPL_HPP_INCLUDED
4 
5 // Copyright Aleksey Gurtovoy 2000-2004
6 //
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
10 //
11 // See http://www.boost.org/libs/mpl for documentation.
12 
13 // $Id: pop_front_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
15 // $Revision: 49267 $
16 
17 #include <boost/mpl/pop_front_fwd.hpp>
18 #include <boost/mpl/aux_/traits_lambda_spec.hpp>
19 #include <boost/mpl/aux_/config/workaround.hpp>
20 #include <boost/mpl/aux_/config/msvc.hpp>
21 
22 namespace boost { namespace mpl {
23 
24 // no default implementation; the definition is needed to make MSVC happy
25 
26 template< typename Tag >
27 struct pop_front_impl
28 {
29     template< typename Sequence > struct apply
30     // conservatively placed, but maybe should go outside surrounding
31     // braces.
32 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
33     {
34         typedef int type;
35     }
36 #endif
37     ;
38 };
39 
40 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, pop_front_impl)
41 
42 }}
43 
44 #endif // BOOST_MPL_AUX_POP_FRONT_IMPL_HPP_INCLUDED
45