public function positiveMatch($name, $subject, array $arguments)
{
try {
$this->iterablesMatcher->match($subject, $arguments[0]);
} catch (Iterate\SubjectHasFewerElementsException $exception) {
throw new FailureException('Expected subject to have the same number of elements than matched value, but it has fewer.', 0, $exception);
} catch (Iterate\SubjectHasMoreElementsException $exception) {
throw new FailureException('Expected subject to have the same number of elements than matched value, but it has more.', 0, $exception);
}
}