public function testTakeLast() { $list = [1, 2, 3, 4, 5, 6, 7, 8, 9]; $this->assertEquals(9, P::takeLast($list)); $listAssoc = ['a' => 1, 'b' => '2', 'c' => 3]; $this->assertEquals(['c' => 3], P::takeLast($listAssoc)); }