title: toString vs String in Swift
body: <p>I was hoping someone could clarify for me if there's a difference between toString() and String() in Swift.</p>
  
  <p><strong>Examples:</strong></p>
  
  <pre><code>var myInteger: Int
  myInteger = 9
  
  let myString1 = "I like to play " + toString(myInteger) + "-ball pool"
  
  let myString2 = "I like to play " + String(myInteger) + "-ball pool"
  </code></pre>