/usr/share/perl5/MooseX/AttributeHelpers/Trait/Number.pm is in libmoosex-attributehelpers-perl 0.25-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | package MooseX::AttributeHelpers::Trait::Number;
use Moose::Role;
our $VERSION = '0.25';
with 'MooseX::AttributeHelpers::Trait::Base';
sub helper_type { 'Num' }
# NOTE:
# we don't use the method provider for this
# module since many of the names of the provied
# methods would conflict with keywords
# - SL
has 'method_constructors' => (
is => 'ro',
isa => 'HashRef',
lazy => 1,
default => sub {
return +{
set => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], $_[1]) };
},
add => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], $reader->($_[0]) + $_[1]) };
},
sub => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], $reader->($_[0]) - $_[1]) };
},
mul => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], $reader->($_[0]) * $_[1]) };
},
div => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], $reader->($_[0]) / $_[1]) };
},
mod => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], $reader->($_[0]) % $_[1]) };
},
abs => sub {
my ($attr, $reader, $writer) = @_;
return sub { $writer->($_[0], abs($reader->($_[0])) ) };
},
}
}
);
no Moose::Role;
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
MooseX::AttributeHelpers::Trait::Number - simple numeric attribute
=head1 VERSION
version 0.25
=head1 SYNOPSIS
package Real;
use Moose;
use MooseX::AttributeHelpers;
has 'integer' => (
metaclass => 'Number',
is => 'ro',
isa => 'Int',
default => sub { 5 },
provides => {
set => 'set',
add => 'add',
sub => 'sub',
mul => 'mul',
div => 'div',
mod => 'mod',
abs => 'abs',
}
);
my $real = Real->new();
$real->add(5); # same as $real->integer($real->integer + 5);
$real->sub(2); # same as $real->integer($real->integer - 2);
=head1 DESCRIPTION
This provides a simple numeric attribute, which supports most of the
basic math operations.
=head1 METHODS
=over 4
=item B<meta>
=item B<helper_type>
=item B<method_constructors>
=back
=head1 PROVIDED METHODS
It is important to note that all those methods do in place
modification of the value stored in the attribute.
=over 4
=item I<set ($value)>
Alternate way to set the value.
=item I<add ($value)>
Adds the current value of the attribute to C<$value>.
=item I<sub ($value)>
Subtracts the current value of the attribute to C<$value>.
=item I<mul ($value)>
Multiplies the current value of the attribute to C<$value>.
=item I<div ($value)>
Divides the current value of the attribute to C<$value>.
=item I<mod ($value)>
Modulus the current value of the attribute to C<$value>.
=item I<abs>
Sets the current value of the attribute to its absolute value.
=back
=head1 SUPPORT
Bugs may be submitted through L<the RT bug tracker|https://rt.cpan.org/Public/Dist/Display.html?Name=MooseX-AttributeHelpers>
(or L<bug-MooseX-AttributeHelpers@rt.cpan.org|mailto:bug-MooseX-AttributeHelpers@rt.cpan.org>).
There is also a mailing list available for users of this distribution, at
L<http://lists.perl.org/list/moose.html>.
There is also an irc channel available for users of this distribution, at
L<C<#moose> on C<irc.perl.org>|irc://irc.perl.org/#moose>.
=head1 AUTHOR
Stevan Little <stevan@iinteractive.com>
Robert Boone
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2007 by Stevan Little and Infinity Interactive, Inc.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|