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3rdparty/boost_1_81_0/boost/detail/is_xxx.hpp 1.22 KB
63e88f80   Hu Chunming   提交三方库
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  // Copyright David Abrahams 2005. 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)
  #ifndef BOOST_DETAIL_IS_XXX_DWA20051011_HPP
  # define BOOST_DETAIL_IS_XXX_DWA20051011_HPP
  
  # include <boost/config.hpp>
  # include <boost/type_traits/integral_constant.hpp>
  # include <boost/preprocessor/enum_params.hpp>
  
  
  #  define BOOST_DETAIL_IS_XXX_DEF(name, qualified_name, nargs)  \
  template <class T>                                              \
  struct is_##name : boost::false_type                            \
  {                                                               \
  };                                                              \
                                                                  \
  template < BOOST_PP_ENUM_PARAMS_Z(1, nargs, class T) >          \
  struct is_##name<                                               \
     qualified_name< BOOST_PP_ENUM_PARAMS_Z(1, nargs, T) >        \
  >                                                               \
     : boost::true_type                                           \
  {                                                               \
  };
  
  
  #endif // BOOST_DETAIL_IS_XXX_DWA20051011_HPP