ch09.003_best

来自「Perl Best Practices the source code」· 003_BEST 代码 · 共 32 行

##############################################################################
##   Code fragment (Recommended) from Chapter 9 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 coerce {}
sub fix    {}
sub gaze   {}
sub upon   {}

my $input = "2345";
my %suspect;

Readonly my $INTEGER    => 1;
Readonly my $ROUND_ZERO => 1;

my $expected_count = coerce($input, $INTEGER, $ROUND_ZERO); 
 
fix(my $gaze, upon(each %suspect));