Dear Folks

I want to do something like this:

use strict;
use warnings;
use Data::Dumper;
my %totals;

for(1..10){
   @totals{qw(a b c)} += (1,2,3);
}
print Dumper \%totals;

[download]

And end up with 

%totals = (
   'a' => 10,
   'b' => 20,
   'c' => 30,
);

[download]

But of course I get %totals set to

(
   'a' => undef,
   'b' => undef,
   'c' => 30,
);

[download]

How would you folks keep such hash of running totals

Cheers,
R.

Pereant, qui ante nos nostra dixerunt!

In reply to += a hash slice? by Random_Walk

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