Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change

Re: Can a defined value be of zero length?

by tobyink (Abbot)
on Apr 19, 2014 at 09:21 UTC ( #1082878=note: print w/ replies, xml ) Need Help??

in reply to Can a defined value be of zero length?

use strict; use warnings; my $value = q(); printf("Here is a string: \"%s\"\n", quotemeta($value)); printf("Is it defined? %s\n", defined($value) ? "Yes" : "No"); printf("What is its length? %d\n", length($value));
use Moops; class Cow :rw { has name => (default => 'Ermintrude') }; say Cow->new->name

Comment on Re: Can a defined value be of zero length?
Download Code

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1082878]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others rifling through the Monastery: (10)
As of 2015-07-03 08:02 GMT
Find Nodes?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...

    Results (49 votes), past polls