RosettaCodeData/Task/Knuths-algorithm-S/Perl-6/knuths-algorithm-s.pl6

29 lines
462 B
Raku

sub s_of_n_creator($n) {
my @sample;
my $i = 0;
-> $item {
if ++$i <= $n {
push @sample, $item;
}
elsif $i.rand < $n {
@sample[$n.rand] = $item;
}
@sample;
}
}
my @items = 0..9;
my @bin;
for ^100000 {
my &s_of_n = s_of_n_creator(3);
my @sample;
for @items -> $item {
@sample = s_of_n($item);
}
for @sample -> $s {
@bin[$s]++;
}
}
say @bin;