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“Protocol ... can only be used as a generic constraint because it has Self or associated type requirements"是什么意思?意思是?
What does quot;Protocol ... can only be used as a generic constraint because it has Self or associated type requirementsquot; mean?(“Protocol ... can only be used as a generic constraint because it has Self or associated type requirements是什么意思?意思是?)
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![如何存储 Class<ClassImplementingProtocol> 类型的值在 Swift 中的 [String:Class<Protocol>] 类型的字典中?](http://sc.sucaidog.com/skin/images/nopic.png?x-oss-process=image/resize,m_fixed,w_116,h_70/format,webp)
如何存储 Class<ClassImplementingProtocol> 类型的值在 Swift 中的 [String:Class<Protocol>] 类型的字典中?
How do I store a value of type Classlt;ClassImplementingProtocolgt; in a Dictionary of type [String:Classlt;Protocolgt;] in Swift?(如何存储 Classlt;ClassImplementingProtocolgt; 类型的值在 Swift 中的 [String:Classlt;Protocolgt;] 类型的字典中?)
发布于99天前
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