1
2#ifndef BOOST_MPL_AS_SEQUENCE_HPP_INCLUDED
3#define BOOST_MPL_AS_SEQUENCE_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2002-2004
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/is_sequence.hpp>
18#include <boost/mpl/single_view.hpp>
19#include <boost/mpl/if.hpp>
20#include <boost/mpl/aux_/na_spec.hpp>
21#include <boost/mpl/aux_/lambda_support.hpp>
22
23namespace boost { namespace mpl {
24
25template<
26 typename BOOST_MPL_AUX_NA_PARAM(T)
27 >
28struct as_sequence
29 : if_< is_sequence<T>, T, single_view<T> >
30{
31 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,as_sequence,(T))
32};
33
34BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, as_sequence)
35
36}}
37
38#endif // BOOST_MPL_AS_SEQUENCE_HPP_INCLUDED
39

source code of boost/boost/mpl/as_sequence.hpp