Re: code line of the day
[email protected] (Randal L. Schwartz) 07 Sep 2006 08:51:48 -0700
| Newsgroups | gmane.comp.lang.perl.fun |
|---|---|
| Message-ID | <[email protected]> |
>>>>> "Ronald" == Ronald J Kimball <[email protected]> writes: Ronald> Why would it throw warnings? ref() returns empty string if the argument Ronald> isn't a reference. At one point, I'm sure it returned undef on a non-reference. Maybe I'm getting too old. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <[email protected]> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!