1 2 #ifndef BOOST_MPL_AUX_TRAITS_LAMBDA_SPEC_HPP_INCLUDED 3 #define BOOST_MPL_AUX_TRAITS_LAMBDA_SPEC_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2000-2008 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: traits_lambda_spec.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/sequence_tag_fwd.hpp> 18 #include <boost/mpl/void.hpp> 19 #include <boost/mpl/aux_/preprocessor/params.hpp> 20 #include <boost/mpl/aux_/config/lambda.hpp> 21 22 #if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) 23 24 # define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) /**/ 25 26 #elif !defined(BOOST_MPL_CFG_MSVC_ETI_BUG) 27 28 # define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) \ 29 template<> struct trait<void_> \ 30 { \ 31 template< BOOST_MPL_PP_PARAMS(i, typename T) > struct apply \ 32 { \ 33 }; \ 34 }; \ 35 /**/ 36 37 #else 38 39 # define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) \ 40 template<> struct trait<void_> \ 41 { \ 42 template< BOOST_MPL_PP_PARAMS(i, typename T) > struct apply \ 43 { \ 44 }; \ 45 }; \ 46 template<> struct trait<int> \ 47 { \ 48 template< BOOST_MPL_PP_PARAMS(i, typename T) > struct apply \ 49 { \ 50 typedef int type; \ 51 }; \ 52 }; \ 53 /**/ 54 55 #endif // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT 56 57 58 #define BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(i, trait) \ 59 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC_IMPL(i, trait) \ 60 template<> struct trait<non_sequence_tag> {}; \ 61 /**/ 62 63 #endif // BOOST_MPL_AUX_TRAITS_LAMBDA_SPEC_HPP_INCLUDED 64
