Method getInstance

Source/democpp/SluaTestCase.cpp:65–68

raw ptr not hold by lua, lua not collect it

        // raw ptr not hold by lua, lua not collect it
        static const Foo* getInstance() {
            static Foo s_inst(2048);
            return &s_inst;
        }

		EInputEvent testEnum(const char* v, EInputEvent evt) {
			Log::Log("get text %s, evt is %d", v, evt);