P20 - Remove the kth element of a list.
Author: Ryan Connelly
Example
> say remove-at(<a b c d e>, 4); a b c e
Source code: P20-topo.pl
use v6; sub remove-at(@list is copy, $place) { @list.splice($place - 1, 1); @list } say "{remove-at(<a b c d e>, 4)}";