example\ApplicativeFunctorTest::test_it_should_apply_every_function_in_collection_with_every_item_in_second PHP Method

    public function test_it_should_apply_every_function_in_collection_with_every_item_in_second()
    {
        $collectionA = Listt::of([function ($a) {
            return 3 + $a;
        }, function ($a) {
            return 4 + $a;
        }]);
        $collectionB = Listt::of([1, 2]);
        $result = $collectionA->ap($collectionB);
        $this->assertInstanceOf(Listt::class, $result);
        $this->assertEquals(Listt::of([4, 5, 5, 6]), $result);
    }