reverse package:text
O(n) reverse t returns the elements of
t in reverse order.
O(1) Iterate one step backwards through a UTF-8 array,
returning the current character and the delta to add (i.e. a negative
number) to give the next offset to iterate at.
O(1) Iterate one step backwards through a UTF-8 array,
returning the delta to add (i.e. a negative number) to give the next
offset to iterate at.