title: How to call a function inside a function in Swift
body: <pre><code>@IBAction func first(sender: AnyObject) {
      println("Hello World")
  }
  
  @IBAction func second(sender: Anyobject) {
  // I need to call function first here. 
  }
  </code></pre>
  
  <p>I need to use one function inside another, because the sender type is Anyobject, I don't know how to call it.</p>