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在任何时候使用static应该都是没有问题的，"应该" #80

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jengeo18 opened this issue Jan 8, 2018 · 0 comments
Open

在任何时候使用static应该都是没有问题的，"应该" #80

jengeo18 opened this issue Jan 8, 2018 · 0 comments

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@jengeo18
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jengeo18 commented Jan 8, 2018

子类需要重写父类的计算属性时，只能使用class

class ClassA {
class var numA: Int? {
get {
return 1
}

}

}

class ClassB: ClassA {
override class var numA: Int? {
get {
return 2
}
}
}
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@jengeo18