Returns a subset of the current MutableVector starting from a given key up to, but not including, the element at the provided length from the starting key


public function slice(
  int $start,
  int $len,
): MutableVector<Tv>

$start is 0-based. $len is 1-based. So slice(0, 2) would return the elements at key 0 and 1.

The returned MutableVector will always be a proper subset of this MutableVector.


Return Values