1 // Copyright David Abrahams 2002. 2 // Distributed under the Boost Software License, Version 1.0. (See 3 // accompanying file LICENSE_1_0.txt or copy at 4 // http://www.boost.org/LICENSE_1_0.txt) 5 #ifndef ARGS_FWD_DWA2002927_HPP 6 # define ARGS_FWD_DWA2002927_HPP 7 8 # include <boost/python/detail/prefix.hpp> 9 10 # include <boost/python/handle.hpp> 11 # include <boost/config.hpp> 12 # include <cstddef> 13 # include <utility> 14 15 namespace boost { namespace python { 16 17 namespace detail 18 { 19 struct keyword 20 { keywordboost::python::detail::keyword21 keyword(char const* name_=0) 22 : name(name_) 23 {} 24 25 char const* name; 26 handle<> default_value; 27 }; 28 29 template <std::size_t nkeywords = 0> struct keywords; 30 31 typedef std::pair<keyword const*, keyword const*> keyword_range; 32 33 template <> 34 struct keywords<0> 35 { 36 BOOST_STATIC_CONSTANT(std::size_t, size = 0); rangeboost::python::detail::keywords37 static keyword_range range() { return keyword_range(); } 38 }; 39 40 namespace error 41 { 42 template <int keywords, int function_args> 43 struct more_keywords_than_function_arguments 44 { 45 typedef char too_many_keywords[keywords > function_args ? -1 : 1]; 46 }; 47 } 48 } 49 50 }} // namespace boost::python 51 52 #endif // ARGS_FWD_DWA2002927_HPP 53