ch06.031_prob

Perl Best Practices the source code

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 6 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;

my @clients = qw( IBN Zerox );

for my $n (0..$#clients) {
    $clients[$n]->tally_hours();
    $clients[$n]->bill_hours();
    $clients[$n]->reset_hours();
}



package Corporation;

sub tally_hours {
    my ($corp) = @_;
    print "tallying hours for $corp...\n";
}

sub bill_hours {
    my ($corp) = @_;
    print "billing hours for $corp...\n";
}

sub reset_hours {
    my ($corp) = @_;
    print "resetting hours for $corp...\n";
}

package IBN;
use base qw( Corporation );

package Zerox;
use base qw( Corporation );