ch12.093_best

来自「Perl Best Practices the source code」· 093_BEST 代码 · 共 26 行

##############################################################################
##   Code fragment (Recommended) from Chapter 12 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;


QUOTELIKE:
for my $quotelike (qw(q qq qr qa qx qm tt)) {
    if ($quotelike !~ m{\A (?: qq | qr | qx | [qsy] | tr ) \z}xms) {
        carp "Unknown quotelike: $quotelike";
        next QUOTELIKE;
    }
}