/** * @return Vector */ function keys() { $vector = new Vector(); $vector->appendAll($this->getIterator()->keys()); return $vector; }
function testValues() { $map = ['one' => 1, 'two' => 2, 'three' => 3]; $vector = new Vector(); $vector->appendAll(new \ArrayIterator($map)); $this->assertEquals([1, 2, 3], $vector->values()->toArray()); }