Nice to see that quantified, thanks!

A similar optimization can be set up when map or a for loop is applied to the values of a hash or elements of an array, 

my $total;
$total += $_->{'cost'} for  @{$struct[3]{'baz'}[42]};

[download]

After Compline,
Zaxo

In reply to Re: Perl and common subexpressions by Zaxo
in thread Perl and common subexpressions by Stevie-O

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