boost/type_traits/detail/template_arity_spec.hpp

   1
   2 // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
   3
   4 // Copyright Aleksey Gurtovoy 2002-2004
   5 //
   6 // Distributed under the Boost Software License, Version 1.0.
   7 // (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #include <boost/mpl/int.hpp>
  11 #include <boost/mpl/aux_/template_arity_fwd.hpp>
  12 #include <boost/mpl/aux_/preprocessor/params.hpp>
  13 #include <boost/mpl/aux_/config/lambda.hpp>
  14 #include <boost/mpl/aux_/config/overload_resolution.hpp>
  15
  16 #if defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) \
  17     && defined(BOOST_MPL_CFG_BROKEN_OVERLOAD_RESOLUTION)
  18 #   define BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(i, name) \
  19 namespace mpl { namespace aux { \
  20 template< BOOST_MPL_PP_PARAMS(i, typename T) > \
  21 struct template_arity< \
  22           name< BOOST_MPL_PP_PARAMS(i, T) > \
  23         > \
  24     : int_<i> \
  25 { \
  26 }; \
  27 }} \
  28 /**/
  29 #else
  30 #   define BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(i, name) /**/
  31 #endif