title: Swift Range on the fly 1...12.contains(1) Cannot invoke 'contains' with (Int)
body: <p>Is is not possible to create a range and call its contains method like this:</p>
  
  <pre><code>1...12.contains(1)
  </code></pre>
  
  <p>When I create a <code>var range = 1...12</code> and print its dynamicType I get a <code>Swift.Range&lt;Swift.Int&gt;</code>, so I'm guessing is not a type mismatch problem, or is it?</p>