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iOS

Posted by Joyce Ryu
Joyce Ryu
1,124 Points

Stack Question . I get errors! Please help!! ASAP!! 

            <p>var newStack = Stack()
newStack.push("HistoryListController")
newStack.push("HistoryDetailViewController")
newStack.push("HistoryTimelineViewController")
newStack.push("HistoryChartViewController")

if let topVC = newStack.topItem {
    print("Top View Controller is \(topVC)")
    //HistoryChartViewController
}

newStack.pop()

if let topVC = newStack.topItem {
    print("Top View Controller is \(topVC)")
    //HistoryTimelineViewController </p>
            ```
Martin Wildfeuer
Martin Wildfeuer
Courses Plus Student 11,071 Points

Please specify your problem with this code:

  • What do you want to achieve?
  • What errors are you seeing? Console output/breakpoints?