/**
* Extract just the values from this iterable.
*
* Examples
*
* Crankshaft::Iter(['a' => 97, 'b' => 98, 'c' => 99, 'd' => 100])->values()->to_array()
* // => [97, 98, 99, 100]
*
* Returns an Iterable whose yielded values will be the values of `$iterable`, and whose keys
* will be the integer, starting from 0.
*/
public function values()
{
return Crankshaft::Combine(Crankshaft::Count(), $this);
}