public function testDivide()
{
$divideWith = P::flip('P::divide', 2);
$perCent = $divideWith(100);
$reciprocal = P::divide(1);
$this->assertEquals(9000, P::divide(900000, 100));
$this->assertEquals(9000, $perCent(900000));
$this->assertEquals(1 / 10, $reciprocal(10));
}
