>>>>> "ARJB" == Anthony R J Ball <[EMAIL PROTECTED]> writes:
ARJB> It is called auto-vivification, and you can't avoid it.
ARJB> If you look at a hash of a hash that doesn't exist, perl
ARJB> creates the lower hash, rather than giving you an error
ARJB> for trying to access a hash that does not exist. Instead
ARJB> do
ARJB> unless exists $apples{$t} && $apples{$t}{weight}
that exists is not needed. top level hash entries like that are not
autovivified.
uri
--
Uri Guttman ------ [EMAIL PROTECTED] -------- http://www.stemsystems.com
----- Stem and Perl Development, Systems Architecture, Design and Coding ----
Search or Offer Perl Jobs ---------------------------- http://jobs.perl.org
Damian Conway Perl Classes - January 2003 -- http://www.stemsystems.com/class
_______________________________________________
Boston-pm mailing list
[EMAIL PROTECTED]
http://mail.pm.org/mailman/listinfo/boston-pm
