typed_routing_delegator.h

	struct routing_record
	{
		virtual reply handle(void*) abstract;
	};

	template <typename T>
	struct typed_routing_recored;

	template <typename RetType, typename classTy, typename... ArgType>
	struct typed_routing_recored<RetType(classTy::*)(ArgType...) const> : public routing_record
	{
		std::function<RetType(ArgType...)> stdfn;

		typed_routing_recored(RetType(*pfn)(ArgType...))
			: stdfn(pfn) {}

		virtual reply handle(void* args) override
		{
			static const std::size_t typesize = sizeof...(ArgType);
			auto tuple = static_cast<std::tuple<typename std::decay<ArgType>::type...>*> (args);

			return _handle(*tuple, std::index_sequence_for<ArgType...>());
		}

		template <std::size_t... Is>
		RetType _handle(const std::tuple<ArgType...>& tuple, std::index_sequence<Is...>)
		{
			return (stdfn)(std::get<Is>(tuple)...);
		}
	};