Reverses the sequence in-place.
This function has no parameters.
No value is returned.
Example #1 Ds\Sequence::reverse example
<?php$sequence = new \Ds\Vector(["a", "b", "c"]);$sequence->reverse();print_r($sequence);?>
The above example will output something similar to:
Ds\Vector Object ( [0] => c [1] => b [2] => a )