ch11.017_best

来自「Perl Best Practices the source code」· 017_BEST 代码 · 共 24 行

##############################################################################
##   Code fragment (Recommended) from Chapter 11 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 $stack_ref = \['foo', 'bar'];

my $direct_stack_ref = ${$stack_ref};
my $result = $direct_stack_ref->[0];

use Data::Dumper 'Dumper';
warn Dumper [ $result ];