1 
2 #ifndef BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED
3 #define BOOST_MPL_VECTOR_AUX_CLEAR_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 // $Id$
14 // $Date$
15 // $Revision$
16 
17 #include <boost/mpl/clear_fwd.hpp>
18 #include <boost/mpl/vector/aux_/vector0.hpp>
19 #include <boost/mpl/vector/aux_/tag.hpp>
20 #include <boost/mpl/aux_/config/typeof.hpp>
21 #include <boost/mpl/aux_/config/ctps.hpp>
22 
23 namespace boost { namespace mpl {
24 
25 #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
26 
27 template<>
28 struct clear_impl< aux::vector_tag >
29 {
30     template< typename Vector > struct apply
31     {
32         typedef vector0<> type;
33     };
34 };
35 
36 #else
37 
38 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
39 
40 template< long N >
41 struct clear_impl< aux::vector_tag<N> >
42 {
43     template< typename Vector > struct apply
44     {
45         typedef vector0<> type;
46     };
47 };
48 
49 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
50 
51 #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
52 
53 }}
54 
55 #endif // BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED
56