Tag:Get the return value

  • Relevant Objects of OC Runtime Learning Notes

    Time:2019-6-27

    Preface Objective-C cannot dynamically add attributes to objects, unlike other native languages that support this. So you had to work hard to reserve space for future variables. In MacOS X 10.6, Runtime of Objective-C already supports this function naturally. The method of associating objects in OC runtime is believed to have been used by everyone, […]