EVOLUTION-MANAGER

Edit File: arity_range.hpp

// Copyright Daniel Wallin 2006. // 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_PARAMETER_AUX_PREPROCESSOR_IMPL_ARITY_RANGE_HPP #define BOOST_PARAMETER_AUX_PREPROCESSOR_IMPL_ARITY_RANGE_HPP // Helper macros for BOOST_PARAMETER_ARITY_RANGE. #define BOOST_PARAMETER_ARITY_RANGE_M_optional(state) state #define BOOST_PARAMETER_ARITY_RANGE_M_deduced_optional(state) state #include <boost/preprocessor/arithmetic/inc.hpp> #define BOOST_PARAMETER_ARITY_RANGE_M_required(state) BOOST_PP_INC(state) #define BOOST_PARAMETER_ARITY_RANGE_M_deduced_required(state) \ BOOST_PP_INC(state) /**/ #include <boost/parameter/aux_/preprocessor/impl/argument_specs.hpp> #include <boost/preprocessor/cat.hpp> #define BOOST_PARAMETER_ARITY_RANGE_M(s, state, x) \ BOOST_PP_CAT( \ BOOST_PARAMETER_ARITY_RANGE_M_ \ , BOOST_PARAMETER_FN_ARG_QUALIFIER(x) \ )(state) /**/ #include <boost/preprocessor/seq/fold_left.hpp> #include <boost/preprocessor/seq/size.hpp> // Calculates [begin, end) arity range. #define BOOST_PARAMETER_ARITY_RANGE(args) \ ( \ BOOST_PP_SEQ_FOLD_LEFT(BOOST_PARAMETER_ARITY_RANGE_M, 0, args) \ , BOOST_PP_INC(BOOST_PP_SEQ_SIZE(args)) \ ) /**/ #endif // include guard