Home | History | Annotate | Download | only in mpl
      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: lambda_fwd.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
     14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
     15 // $Revision: 49267 $
     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