title: How to pass a Swift type as a method argument?
body: <p>I'd like to do something like this:</p>
  
  <pre><code>func doSomething(a: AnyObject, myType: ????)
  {
     if let a = a as? myType
     {
         //…
     }
  }
  </code></pre>
  
  <p>In Objective-C the class of class was <code>Class</code></p>