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 27 namespace boost { namespace mpl { 28 29 template< 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 > 36 struct lambda; 37 38 }} 39 40 #else // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT 41 42 # include <boost/mpl/bool.hpp> 43 44 namespace boost { namespace mpl { 45 46 template< 47 typename T = na 48 , typename Tag = void_ 49 , typename Protect = true_ 50 > 51 struct lambda; 52 53 }} 54 55 #endif 56 57 #endif // BOOST_MPL_LAMBDA_FWD_HPP_INCLUDED 58