boost/boost/type_traits/detail/size_t_trait_def.hpp

   1 //-----------------------------------------------------------------------------
   2 // boost/type_traits/detail/size_t_trait_def.hpp header file
   3 // See http://www.boost.org for updates, documentation, and revision history.
   4 //-----------------------------------------------------------------------------
   5 //
   6 // Copyright (c) 2002
   7 // Aleksey Gurtovoy
   8 //
   9 // Permission to use, copy, modify, distribute and sell this software
  10 // and its documentation for any purpose is hereby granted without fee,
  11 // provided that the above copyright notice appears in all copies and
  12 // that both the copyright notice and this permission notice appear in
  13 // supporting documentation. No representations are made about the
  14 // suitability of this software for any purpose. It is provided "as is"
  15 // without express or implied warranty.
  16
  17 // no include guards, the header is intended for multiple inclusion!
  18
  19 #include "boost/type_traits/detail/template_arity_spec.hpp"
  20 #include "boost/mpl/size_t.hpp"
  21 #include "boost/mpl/aux_/lambda_support.hpp"
  22
  23 #include <cstddef>
  24
  25 #if !defined(BOOST_MSVC) || BOOST_MSVC > 1200
  26 #   define BOOST_TT_AUX_SIZE_T_TRAIT_VALUE_DECL(C) /**/
  27 #else
  28 #   define BOOST_TT_AUX_SIZE_T_TRAIT_VALUE_DECL(C) \
  29     typedef mpl::size_t< C > base_; \
  30     using base_::value; \
  31     /**/
  32 #endif
  33
  34
  35 #define BOOST_TT_AUX_SIZE_T_TRAIT_DEF1(trait,T,C) \
  36 template< typename T > struct trait \
  37     : mpl::size_t< C > \
  38 { \
  39     BOOST_TT_AUX_SIZE_T_TRAIT_VALUE_DECL(C) \
  40     BOOST_MPL_AUX_LAMBDA_SUPPORT(1,trait,(T)) \
  41 }; \
  42 \
  43 BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(1,trait) \
  44 /**/
  45
  46 #define BOOST_TT_AUX_SIZE_T_TRAIT_SPEC1(trait,spec,C) \
  47 template<> struct trait<spec> \
  48     : mpl::size_t< C > \
  49 { \
  50     BOOST_TT_AUX_SIZE_T_TRAIT_VALUE_DECL(C) \
  51     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(1,trait,(spec)) \
  52 }; \
  53 /**/
  54
  55 #define BOOST_TT_AUX_SIZE_T_TRAIT_PARTIAL_SPEC1_1(param,trait,spec,C) \
  56 template< param > struct trait<spec> \
  57     : mpl::size_t< C > \
  58 { \
  59 }; \
  60 /**/