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这是我的代码
class BinaryTreeNode[T <% Ordered[T]] (v: T) { var left var right val value = v }
现在,我应该如何初始化左右,以便以后可以设置它们?
null可以通过以下方式完成简单的初始化:
null
var left: SomeType = _
请注意,SomeType必须提供类型。
SomeType