traits_lambda_spec.hpp

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#ifndef BOOST_MPL_AUX_TRAITS_LAMBDA_SPEC_HPP_INCLUDED
#define BOOST_MPL_AUX_TRAITS_LAMBDA_SPEC_HPP_INCLUDED
 
// Copyright Aleksey Gurtovoy 2000-2008
//
// Distributed under the Boost Software License, Version 1.0. 
// (See accompanying file LICENSE_1_0.txt or copy at 
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
 
// $Id: traits_lambda_spec.hpp 13472 2017-08-22 07:53:44Z richean $
// $Date: 2017-08-22 09:53:44 +0200 (Di, 22 Aug 2017) $
// $Revision: 13472 $
 
#include <boost/mpl/sequence_tag_fwd.hpp>
#include <boost/mpl/void.hpp>
#include <boost/mpl/aux_/preprocessor/params.hpp>
#include <boost/mpl/aux_/config/lambda.hpp>
 
#if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
 
#   define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) 
 
#elif !defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
 
#   define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) \
template<> struct trait<void_> \
{ \
    template< BOOST_MPL_PP_PARAMS(i, typename T) > struct apply \
    { \
    }; \
}; \
 
 
#else
 
#   define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) \
template<> struct trait<void_> \
{ \
    template< BOOST_MPL_PP_PARAMS(i, typename T) > struct apply \
    { \
    }; \
}; \
template<> struct trait<int> \
{ \
    template< BOOST_MPL_PP_PARAMS(i, typename T) > struct apply \
    { \
        typedef int type; \
    }; \
}; \
 
 
#endif // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
 
 
#define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(i, trait) \
    BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) \
    template<> struct trait<non_sequence_tag> {}; \
 
 
#endif // BOOST_MPL_AUX_TRAITS_LAMBDA_SPEC_HPP_INCLUDED