ch16.021_best

来自「Perl Best Practices the source code」· 021_BEST 代码 · 共 27 行

##############################################################################
##   Code fragment (Recommended) from Chapter 16 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;


sub new {
        my ($class) = @_;
        croak q{Can't initialize in constructor (use accessors)} if @_ > 1;
 
        # [Set up purely internal state here]
 
        return bless anon_scalar(), $class;   
}