Commit | Line | Data |
565fe238 |
1 | package MooseX::AttributeHelpers::Number; |
2 | use Moose; |
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3 | |
4 | our $VERSION = '0.01'; |
5 | our $AUTHORITY = 'cpan:STEVAN'; |
6 | |
7 | extends 'MooseX::AttributeHelpers::Base'; |
8 | |
9 | sub helper_type { 'Num' } |
10 | |
11 | has '+method_constructors' => ( |
12 | default => sub { |
13 | return +{ |
14 | set => sub { |
15 | my $attr = shift; |
16 | return sub { $attr->set_value($_[0], $_[1]) }; |
17 | }, |
18 | add => sub { |
19 | my $attr = shift; |
20 | return sub { $attr->set_value($_[0], $attr->get_value($_[0]) + $_[1]) }; |
21 | }, |
22 | sub => sub { |
23 | my $attr = shift; |
24 | return sub { $attr->set_value($_[0], $attr->get_value($_[0]) - $_[1]) }; |
25 | }, |
26 | mul => sub { |
27 | my $attr = shift; |
28 | return sub { $attr->set_value($_[0], $attr->get_value($_[0]) * $_[1]) }; |
29 | }, |
30 | div => sub { |
31 | my $attr = shift; |
32 | return sub { $attr->set_value($_[0], $attr->get_value($_[0]) / $_[1]) }; |
33 | }, |
34 | mod => sub { |
35 | my $attr = shift; |
8a6b3add |
36 | return sub { $attr->set_value($_[0], $attr->get_value($_[0]) % $_[1]) }; |
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37 | }, |
38 | abs => sub { |
39 | my $attr = shift; |
40 | return sub { $attr->set_value($_[0], abs($attr->get_value($_[0])) ) }; |
41 | }, |
42 | } |
43 | } |
44 | ); |
45 | |
46 | no Moose; |
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47 | |
48 | # register the alias ... |
49 | package Moose::Meta::Attribute::Custom::Number; |
50 | sub register_implementation { 'MooseX::AttributeHelpers::Number' } |
51 | |
52 | 1; |
53 | |
54 | =pod |
55 | |
56 | =head1 NAME |
57 | |
58 | MooseX::AttributeHelpers::Number |
59 | |
60 | =head1 SYNOPSIS |
61 | |
62 | package Real; |
63 | use Moose; |
64 | |
65 | has 'integer' => ( |
66 | metaclass => 'Number', |
67 | is => 'ro', |
68 | isa => 'Int', |
69 | default => sub { 5 }, |
70 | provides => { |
71 | set => 'set', |
72 | add => 'add', |
73 | sub => 'sub', |
74 | mul => 'mul', |
75 | div => 'div', |
76 | mod => 'mod', |
77 | abs => 'abs', |
78 | } |
79 | ); |
80 | |
81 | my $real = Real->new(); |
82 | $real->add(5); # same as $real->integer($real->integer + 5); |
83 | $real->sub(2); # same as $real->integer($real->integer - 2); |
84 | |
85 | =head1 DESCRIPTION |
86 | |
87 | =head1 METHODS |
88 | |
89 | =head1 BUGS |
90 | |
91 | All complex software has bugs lurking in it, and this module is no |
92 | exception. If you find a bug please either email me, or add the bug |
93 | to cpan-RT. |
94 | |
95 | =head1 AUTHOR |
96 | |
8c651099 |
97 | Robert Boone |
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98 | |
99 | =head1 COPYRIGHT AND LICENSE |
100 | |
101 | Copyright 2007 by Infinity Interactive, Inc. |
102 | |
103 | L<http://www.iinteractive.com> |
104 | |
105 | This library is free software; you can redistribute it and/or modify |
106 | it under the same terms as Perl itself. |
107 | |
ae2c330e |
108 | =cut |