Stack - (Using LinkedList)

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class Node { var value: Any var next: Node? init(_ value: Any) { self.value = value self.next = nil } } class Stack { var top: Any? var bottom: Any? var length: Int init() { self.top = nil self.bottom = nil self.length = 0 } func peek() { } func push(_ value: Any) { } func pop() { } func isEmpty() -> Bool { return true } }
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