ces
to drill down through nested classes and modules.</p></td>
      </tr>
      
      <tr>
        <td><code>newValue</code></td>
        <td><p>The value for the constant.</p></td>
      </tr>
      
    </tbody>
  </table>


  <h5>Throws</h5>
  <p><a href="../types/rberror.html?swift#badidentifiertypeid"><code>RbError.badIdentifier(type:id:)</code></a> if <code>name</code> looks wrong.
<code>rubyException(_:)</code> if there is a Ruby exception.
<a href="../types/rberror.html?swift#badtype_"><code>RbErr