I can't see your and_maker, but based on its interface, I'm guessing you're actually building a sub. I suppose that works, but instead, what about: 

sub multi_and {
   my $result = shift;
   while (@_) { $result &= shift; }
   $result;
}

[download]

That might be used like: 

my $results1 = multi_and(1,2,3);             # 3 args
my $results2 = multi_and(5,6,7);             # 3 args
my $results3 = multi_and(12,13,14,15,16);    # 5 args

[download]

No code generation, should be pretty fast. If the repeated shift is a problem, then this should work, too: 

sub multi_and {
  my $result = shift;
  for (@_) { $result &= $_ }
  $result
}

[download]
<–radiant.matrix–>
Ramblings and references
The Code that can be seen is not the true Code
I haven't found a problem yet that can't be solved by a well-placed trebuchet

In reply to Re: Ultra compact set searching by radiantmatrix
in thread Ultra compact set searching by jimt

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