title: Swift: 'var' declaration without getter/setter method not allowed here
body: <p>I've tried to declare <code>IBOutlet</code> property on extension of class. But it give error as </p>
  
  <blockquote>
    <p>'var' declaration without getter/setter method not allowed here</p>
  </blockquote>
  
  <pre><code>class ExampleView : UIView
  {
  
  }
  
  extension ExampleView
  {
      @IBOutlet var btn1, btn2 : UIButton // here I got error.
  
  }
  </code></pre>
  
  <p>Please any one suggest me correct way to do it?</p>