Deinitialization How Deinitialization Works Deinitializers in Action Deinitialization Deinitialization A deinitializer is called immediately before a class instance is dea...
Installing a cluster on OpenStack with customizations Prerequisites Resource guidelines for installing OKD on RHOSP Control plane and compute machines Bootstrap machine Enablin...
类型转换 为类型转换定义类层次 检查类型 向下转型 Any 和 AnyObject 的类型转换 类型转换 类型转换可以判断实例的类型,也可以将实例看做是其父类或者子类的实例。 类型转换在 Swift 中使用 is 和 as 操作符实现。这两个操作符分别提供了一种简单达意的方式去检查值的类型或者转换它的类型。 你也可以用它来检查一个类...