RosettaCodeData/Task/Generator-Exponential/Perl-6/generator-exponential.pl6

14 lines
316 B
Raku

sub powers($m) { $m XR** 0..* }
my @squares = powers(2);
my @cubes = powers(3);
sub infix:<with-out> (@orig,@veto) {
gather for @veto -> $veto {
take @orig.shift while @orig[0] before $veto;
@orig.shift if @orig[0] eqv $veto;
}
}
say (@squares with-out @cubes)[20 ..^ 20+10].join(', ');