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UtopiaCHN
V2EX  ›  iDev

Objective-C 里的 interface 是非正式协议而不是接口吗?

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  •   UtopiaCHN · Jan 15, 2016 · 3089 views
    This topic created in 3761 days ago, the information mentioned may be changed or developed.
    3 replies    2016-01-21 17:25:08 +08:00
    Alchemistxxd
        1
    Alchemistxxd  
       Jan 15, 2016
    .h 的 @interface 是接口, .m 的 @interface 是类扩展, category 里也有 @interface ,类扩展又叫匿名 category ,非正式协议等价于 category ,其实都一样,就是你声明方法和变量的地方。
    xi_lin
        2
    xi_lin  
       Jan 17, 2016
    protocol 更像接口
    pinxue
        3
    pinxue  
       Jan 21, 2016
    对照某些其它编程语言
    @interface == class
    @protocol == interface
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