mutator_type.hpp

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// Copyright (C) 2012 iwg molw5
// For conditions of distribution and use, see copyright notice in COPYING

#pragma once

#include <type_traits>

#include <framework/common/common_macros.hpp>

namespace framework
{
    namespace serializable
    {
        namespace detail
        {
            template <typename T, typename Enabler = void>
            struct is_mutator_type_impl;

            template <typename T>
            struct mutator_child_impl;

            template <typename T, typename Enabler = void>
            struct type_extractor_impl;
        }

        template <typename Child>
        struct mutator_type
        {
// GCC bug workaround - www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#580
#if MAX_GNUC_VERSION(4, 8, 0)
            public:
#else
            template <typename T, typename Enabler>
            friend struct detail::is_mutator_type_impl;
            
            template <typename T>
            friend struct detail::mutator_child_impl;

            private:
#endif
                using serializable_mutator_type_enabler = void;
                using serializable_mutator_child = Child;

                mutator_type () = delete;
                ~mutator_type () = delete;
        };

        template <typename T>
        using is_mutator_type = typename detail::is_mutator_type_impl <T>::type;

        template <typename T>
        using mutator_child = typename detail::mutator_child_impl <T>::type;

        template <typename T>
        using type_extractor = typename detail::type_extractor_impl <T>::type;
    }
}

#include <framework/serializable/mutator_type.inl>