On Mon, Jan 21, 2002 at 02:52:48PM +0000, Piers Cawley wrote:
> >     Now I have to go read the Perl 6.0 specs to see
> > if this applies to hashes too. %a = %b ^+ %c has a most
> > definitive twisted appeal to it. :)
> 
> I think it does apply, but I'm not sure if addition is well defined on
> pairs...

In an ideal world it would behave the same as

  %a = (%b, %c);
  for my $k (keys %a) {
      $a{$k} += $b{$k} if exists($b{$k}) && exists($c{$k});
  }

Well, in my dreams :-)

..robin.

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