ch17.031_prob

Perl Best Practices the source code

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## Code fragment (NOT RECOMMENDED) from Chapter 17 of "Perl Best Practices" ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
##############################################################################


# Standard modules...
use strict;
use warnings;
use IO::Prompt;
use Carp;
use English qw( -no_match_vars );
use Data::Alias;
use Readonly;


use Serialize ($depth);
 
# and much later...
 
$depth = -20;        # Change the internal state of the Serialize module