KnowledgeHub
Questions
Tags
Users
Search
Alex Rivera
|
Logout
Edit Question
Title
Body
.. use strict; use warnings; ... my (%customer); %customer = (); ... 17 sub _customer_id { 18 my $customer_r = shift; 19 unless(defined $customer{$customer_r}){ 20 $customer{$customer_r} = ++$customer_id; 21 } 22 $customer{$customer_r}; 23 } I'm just checking whether some hash key exists. But getting the Use of uninitialized value in hash element at line 19 , 20 , 22 . Why?
Tags (comma-separated)
Save Edits
Cancel