RosettaCodeData/Task/Forward-difference/Perl-6/forward-difference.pl6
Ingy döt Net d066446780 langs a-z
2013-04-10 22:43:41 -07:00

2 lines
98 B
Raku

sub dif(@array [$, *@tail]) { @tail Z- @array }
sub difn($array, $n) { ($array, &dif ... *)[$n] }