ch15.033_prob

来自「Perl Best Practices the source code」· 033_PROB 代码 · 共 28 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 $waiting_list = FuzzyQueue->new();
 
# Load client names...
while (my $client = prompt('Client: ')) {
    $waiting_list->append($client);
}
 
# Then rotate the contents of the queue (approximately) one notch...
$waiting_list->append(  $waiting_list->next() );