title: Make a public var equal to private string
body: <p>I want a public variable to be equal to the string I get inside a method that is generated by a call I made </p>
  
  <p>Here is the <code>func</code> I use to make a call to get the tempString</p>
  
  <pre><code>func handleSnapshotResult(snapshot: Dictionary&lt;String, String&gt;) -&gt; Void
  {
      let tempString : String = snapshot["temperature"]!
      println("TEMPERATURE: " + tempString)
  }
  </code></pre>
  
  <p>I want to use the tempString inside of a uicollectionview cell, how do I make a public variable to set the <code>CollectionViewCell.label.text = temp string</code></p>
  
  <p>BTW im new to swift </p>