1
2#ifndef BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED
3#define BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2001-2004
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/void_fwd.hpp>
18#include <boost/mpl/aux_/na.hpp>
19#include <boost/mpl/aux_/config/lambda.hpp>
20
21#if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
22
23# include <boost/mpl/int.hpp>
24# include <boost/mpl/aux_/lambda_arity_param.hpp>
25# include <boost/mpl/aux_/template_arity_fwd.hpp>
26
27namespace boost { namespace mpl {
28
29template<
30 typename T = na
31 , typename Tag = void_
32 BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(
33 typename Arity = int_< aux::template_arity<T>::value >
34 )
35 >
36struct lambda;
37
38}}
39
40#else // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
41
42# include <boost/mpl/bool.hpp>
43
44namespace boost { namespace mpl {
45
46template<
47 typename T = na
48 , typename Tag = void_
49 , typename Protect = true_
50 >
51struct lambda;
52
53}}
54
55#endif
56
57#endif // BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED
58