Pinq\Tests\Integration\Traversable\TraversableTest::_testReturnsNewInstanceOfSameTypeWithSameScheme PHP Method

    protected function _testReturnsNewInstanceOfSameTypeWithSameScheme(\Pinq\ITraversable $traversable)
    {
        if (self::$instance === null) {
            self::$instance = new \stdClass();
        }
        return self::$instance;
    }