title: How to get raw value in enum?
body: <p>I have an enum like this one:</p>
  
  <pre><code>enum dayofweeks:Int { Mon = 1, Tu, We, Th,Fr, Sa, Su }
  </code></pre>
  
  <p>how to can get raw value of <code>Sa</code> ?</p>
  
  <p>I only know the opposite way:</p>
  
  <pre><code>dayofweeks.Int(RawValue, 6) = Sa
  </code></pre>