protected function validateAttempts($interviewer)
{
/** @var \Exception $error */
$error = null;
$attempts = $this->question->getMaxAttempts();
while (null === $attempts || $attempts--) {
if (null !== $error) {
$this->output->error($error->getMessage());
}
try {
return call_user_func($this->question->getValidator(), $interviewer());
} catch (\Exception $error) {
}
}
throw $error;
}