#!/usr/bin/perl
# Figure 13.1: fig13_01.pl
# Demonstrates creating and dereferencing a reference.

use strict;
use warnings;

my $variable = 10;
my $reference = \$variable;

print( "\$variable = $variable\n" );
print( "\$reference = $reference\n" );
print( "\$\$reference = $$reference\n" );
$variable++;
print( "\$variable = $variable\n" );
print( "\$reference = $reference\n" );
print( "\$\$reference = $$reference\n" );
$$reference++;
print( "\$variable = $variable\n" );
print( "\$reference = $reference\n" );
print( "\$\$reference = $$reference\n" );


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