Collections\Tests\Dictionary\EachTest::test_fn_applied_to_every_item PHP Method

    public function test_fn_applied_to_every_item()
    {
        $d = (new Dictionary('string', 'int'))->add('a', 1)->add('b', 2);
        $results = [];
        $d->each(function ($k, $v) use(&$results) {
            $results[$k] = $v;
        });
        $this->assertEquals(["a" => 1, "b" => 2], $results);
    }