title: iOS - Shortcut for jumping to definition in Xcode 9?
body: <p>In previous Xcode version , I could jump to definition with simple 
  <strong>Cmd + click</strong> on that method/variable . 
  But in Xcode 9, I feel uncomfortable to jump to definition . </p>
  
  <p>Does anyone has a better solution for jumping to definition in Xcode 9 ?</p>
  
  <p>I am tired of selecting options from dropdown list.</p>