title: Iteration over enum in Objective C?
body: <p>I have </p>
  
  <pre><code>enum Colour {
      white,
      pink,
      yellow,
      blue
  } Colour;
  </code></pre>
  
  <p>and I would like to do something like this:</p>
  
  <pre><code>for (int colour in Colour){
      // Do something here.
  }
  </code></pre>
  
  <p>Can I do this and if yes, how? Thanks for your help!</p>