8 lines
186 B
Perl
8 lines
186 B
Perl
my @set = (1, 2, 3);
|
|
my @powerset = powerset(@set);
|
|
|
|
sub set_to_string {
|
|
"{" . join(", ", map { ref $_ ? set_to_string(@$_) : $_ } @_) . "}"
|
|
}
|
|
|
|
print set_to_string(@powerset), "\n";
|