/td>
      </tr>
      
    </tbody>
  </table>


  <h5>Throws</h5>
  <p><a href="../types/rberror.html?swift#rubyexception_"><code>RbError.rubyException(_:)</code></a> if there is a Ruby exception.
<a href="../types/rberror.html?swift#duplicatekwarg_"><code>RbError.duplicateKwArg(_:)</code></a> if there are duplicate keywords in <code>kwArgs</code>.
<a href="../types/rberror.html?swift#badtype_"><code>RbError.badType(_:)</code></a> if <code>block</code> does not convert to a Proc.</p>


  <h5>Return Value<