title: C++ boost how to get a number of members in enum?
body: <p>is there anything in the boost which could help to get a number of members in enumeration?</p>
  
  <p>e.g. to return 3 for the following code:</p>
  
  <p><pre><code>
  enum SomeEnum
  {
    One,
    Two,
    Three
  }
  </pre></code></p>