ch02.063_prob

来自「Perl Best Practices the source code」· 063_PROB 代码 · 共 28 行

##############################################################################
## Code fragment (NOT RECOMMENDED) from Chapter 2 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 $predicted_val;
my $average          = 10;
my $predicted_change = 1;
my $fudge_factor     = 0.3;

$predicted_val = $average 
                 + $predicted_change * $fudge_factor
                 ;

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