Pinq\Tests\Integration\Traversable\OrderByTest::dates PHP Method

    public function dates()
    {
        return $this->getImplementations([new \DateTime('2000-1-1'), new \DateTime('2001-1-1'), new \DateTime('2002-1-1'), new \DateTime('2003-1-1'), new \DateTime('2004-1-1'), new \DateTime('2005-1-1')]);
    }