ch15.058_prob

来自「Perl Best Practices the source code」· 058_PROB 代码 · 共 32 行

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 15 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 $family = 'Waltons';

my $female_parent = mom $family;    # Sometimes the same as: $family->mom()
# my $male_parent   = pop $family;    # Never the same as: $family->pop()


package Waltons;

sub mom {
    print "'Night, mom!\n";
}

sub pop {
    print "'Night, pop!\n";
}