测试在手机上发布一个文章

发布新的文章，测试手机店2020年8月7日，06:30
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obejct-c declared properties (forward)

  forward from:  https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjectiveC/Chapters/ocProperties.html Declared Properties The Objective-C declared properties feature provides a simple way to declare and implement an object’s accessor methods. Overview You typically access an object’s properties (in the sense of its attributes and relationships) through a pair of accessor (getter/setter) methods. By using accessor methods, you adhere to the principle of  encapsulation  (see  Mechanisms Of Abstraction  in  Object-Oriented Programming with Objective-C ). You can exercise tight control of the behavior of the getter/setter pair and the underlying state management while clients of the API remain insulated from the implementation changes. Although using accessor methods therefore has significant advantages, writing accessor methods is a tedious process. Moreover, aspects of the property that may be important to consumers of the API...
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