| |
| // (C) Copyright Tobias Schwinger |
| // |
| // Use modification and distribution are subject to the boost Software License, |
| // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt). |
| |
| //------------------------------------------------------------------------------ |
| |
| #ifndef BOOST_FT_FUNCTION_ARITY_HPP_INCLUDED |
| #define BOOST_FT_FUNCTION_ARITY_HPP_INCLUDED |
| |
| #include <boost/blank.hpp> |
| #include <boost/mpl/if.hpp> |
| |
| #include <boost/mpl/aux_/lambda_support.hpp> |
| |
| #include <boost/function_types/is_callable_builtin.hpp> |
| #include <boost/function_types/components.hpp> |
| |
| namespace boost |
| { |
| namespace function_types |
| { |
| template<typename T> struct function_arity |
| : mpl::if_ |
| < function_types::is_callable_builtin<T> |
| , typename components<T>::function_arity, boost::blank |
| >::type |
| { |
| BOOST_MPL_AUX_LAMBDA_SUPPORT(1,function_arity,(T)) |
| }; |
| } |
| } |
| |
| #endif |
| |
