struct IterHolder {
	void *p;
	void *x;
	
	IterHolder(bool) {}
	operator bool() const                                { return false; }

	template<class T> Begin(const T& v)                  { p = (void*)v.Begin(); x = (void*)v.End(); }
	template<class T> End(const T& v)                    { p = (void*)((v.End()) - 1); x = (void*)v.Begin(); }
	template<class T> Prev(Type2Type<T>)                 { p = ((T*)p) - 1; }
	template<class T> Next(Type2Type<T>)                 { p = ((T*)p) + 1; }
	                  bool CheckF() const                { return p < x; }	
	                  bool CheckB() const                { return p >= x; }	
	template<class T> T& Get(Type2Type<T>) const         { return *((T*)p); }

};

#define foreach(e, arr) \
	if(IterHolder _ith_ = false) {} else \
		for(_ith_.Begin(arr); _ith_.CheckF(); _ith_.Next(ENCODED_TYPEOF(arr[0]))) \
			if(bool _foreach_continue = true) \
				for(e = _ith_.Get(ENCODED_TYPEOF(arr[0])); _foreach_continue; _foreach_continue = false)