title: Binary operator cannot be applied to operands of type Int and String - Swift 2.3 -> Swift 3.2 conversion error
body: <p>While converting from Swift 2.3 to 3.2 I received below error. </p>
  
  <blockquote>
    <p>Error : Binary operator cannot be applied to operands of type Int and String</p>
  </blockquote>
  
  <p>for this if Condition i.e <code>if (error?.code)! == "-112"</code> which is shown in below line.     </p>
  
  <pre><code>if (error?.code)! == "-112" 
  {
       print("hello")
  }
  </code></pre>