Method as_pointer

Source/Utils/dukglue/dukvalue.h:348–352

	}

	inline void* as_pointer() const {
		if (mType != POINTER && mType != NULLREF)
			throw DukException() << "Expected pointer or null, got " << type_name();
		return mPOD.pointer;
	}

	inline const std::string& as_string() const {
		if (mType != STRING)