[Israel.pm] Testing for non-empty array

Levenglick Dov-RM07994 DovL at freescale.com
Mon Apr 11 07:04:47 PDT 2005


It is redundant however it makes it clear that what is returned is an array

 
Best Regards,
Dov Levenglick
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-----Original Message-----
From: perl-bounces at perl.org.il [mailto:perl-bounces at perl.org.il] On Behalf Of Mikhael Goikhman
Sent: Monday, April 11, 2005 3:45 PM
To: Perl in Israel
Subject: Re: [Israel.pm] Testing for non-empty array


On 11 Apr 2005 11:53:26 +0300, Levenglick Dov-RM07994 wrote:
> 
> Lets not forget if (scalar $obj->method) 

This is quite redundant and exactly equivalent to: if ($obj->method).

Only guaranteed to work if a function returns a list, even on !wantarray.

Regards,
Mikhael.

-- 
perl -e 'print+chr(64+hex)for+split//,d9b815c07f9b8d1e'
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