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@objc and dynamic Objective-C runtime visibility and the depths of dynamic dispatch in the modern Swift era. 5 December 2017 ∙ Objective-C Interop ∙ w 阅读全文
posted @ 2018-08-11 17:09
zzfx
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Extensions can add new functionality to a type, but they cannot override existing functionality. 阅读全文
posted @ 2018-08-11 16:07
zzfx
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protocol CommonTrait: class { func commonBehavior() -> String } extension CommonTrait { func commonBehavior() -> String { return "from protocol extens 阅读全文
posted @ 2018-08-11 15:42
zzfx
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