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| 2 | // (C) Copyright Tobias Schwinger |
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| 3 | // |
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| 4 | // Use modification and distribution are subject to the boost Software License, |
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| 5 | // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt). |
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| 6 | |
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| 7 | //------------------------------------------------------------------------------ |
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| 8 | |
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| 9 | #ifndef BOOST_FT_PARAMETER_TYPES_HPP_INCLUDED |
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| 10 | #define BOOST_FT_PARAMETER_TYPES_HPP_INCLUDED |
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| 11 | |
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| 12 | #include <boost/blank.hpp> |
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| 13 | #include <boost/mpl/if.hpp> |
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| 14 | |
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| 15 | #include <boost/mpl/aux_/lambda_support.hpp> |
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| 16 | |
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| 17 | #include <boost/mpl/pop_front.hpp> |
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| 18 | |
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| 19 | #include <boost/function_types/is_callable_builtin.hpp> |
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| 20 | #include <boost/function_types/components.hpp> |
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| 21 | |
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| 22 | namespace boost |
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| 23 | { |
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| 24 | namespace function_types |
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| 25 | { |
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| 26 | using mpl::placeholders::_; |
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| 27 | |
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| 28 | template< typename T, typename ClassTypeTransform = add_reference<_> > |
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| 29 | struct parameter_types; |
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| 30 | |
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| 31 | namespace detail |
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| 32 | { |
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| 33 | template<typename T, typename ClassTypeTransform> |
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| 34 | struct parameter_types_impl |
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| 35 | : mpl::pop_front |
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| 36 | < typename function_types::components<T,ClassTypeTransform>::types |
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| 37 | >::type |
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| 38 | { }; |
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| 39 | } |
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| 40 | |
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| 41 | template<typename T, typename ClassTypeTransform> struct parameter_types |
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| 42 | : mpl::if_ |
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| 43 | < function_types::is_callable_builtin<T> |
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| 44 | , detail::parameter_types_impl<T,ClassTypeTransform>, boost::blank |
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| 45 | >::type |
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| 46 | { |
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| 47 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2,parameter_types,(T,ClassTypeTransform)) |
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| 48 | }; |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | #endif |
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| 53 | |
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| 54 | |
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