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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
package Class::Measure::Length;
use 5.008001;
use strict;
use warnings;
our $VERSION = '0.10';
=encoding utf8
=head1 NAME
Class::Measure::Length - Calculate measurements of length.
=head1 SYNOPSIS
use Class::Measure::Length;
print length( 2, 'km' )->meters();
=cut
use base qw( Class::Measure );
use Sub::Exporter -setup => {
exports => [qw( length )]
};
=head1 METHODS
This module inherits all the methods made available by
L<Class::Measure>.
=head2 length
$m = length( 2, 'metres' );
Creates a new measurement object.
=cut
sub length { return __PACKAGE__->new(@_); }
=head1 UNITS
=head2 International System of Units
Also known as SI and "metric", this unit of measure
includes the following.
kilometre
metre
centimetre
millimetre
decimetre
micrometre
nanometre
And all veriations are aliased, such as "m", "meter",
"meters", "metres".
=cut
__PACKAGE__->reg_units(
qw( kilometre centimetre millimetre decimetre micrometre nanometre metre )
);
__PACKAGE__->reg_aliases(
['kilometer','km','kilometers','kilometres','klick','klicks'] => 'kilometre',
['meter','m','meters','metres'] => 'metre',
['centimeter','cm','centimeters','centimetres'] => 'centimetre',
['millimeter','mm','millimeters','millimetres'] => 'millimetre',
['decimeter','decimeters','decimetres'] => 'decimetre',
['micrometer','micrometers','micron','microns','micrometres'] => 'micrometre',
['nanometer','nanometers','nanometres'] => 'nanometre',
);
__PACKAGE__->reg_convs(
'km' => 1000, 'm',
100, 'cm' => 'm',
10, 'mm' => 'cm',
'decimetre' => 10, 'cm',
1000, 'microns' => 'mm',
1000, 'nanometers' => 'micron',
);
=head2 Shared
These units are shared by with the US and Imperial
unit systems.
inch
foot
yard
rod
mile
chain
furlong
All relevant aliases included.
=cut
__PACKAGE__->reg_units(
qw( inch foot yard rod mile chain furlong )
);
__PACKAGE__->reg_aliases(
['in','inches'] => 'inch',
['feet','ft'] => 'foot',
'yards' => 'yard',
['pole','poles','perch','perches','rods'] => 'rod',
'miles' => 'mile',
'chains' => 'chain',
'furlongs' => 'furlong',
);
__PACKAGE__->reg_convs(
'inch' => 25.4, 'mm',
'foot' => 12, 'inches',
'yard' => 3, 'feet',
'yard' => 91.44, 'cm',
'rod' => 16.5, 'feet',
'mile' => 1.609344, 'km',
'mile' => 5280, 'feet',
'chain' => 66, 'feet',
'furlong' => 10, 'chains',
);
=head2 United Stats
Units specific to the United States.
survey_mile
link
fathom
cable_length
Aliases included.
=cut
__PACKAGE__->reg_units(
qw( survey_mile link fathom cable_length )
);
__PACKAGE__->reg_aliases(
'survey_miles' => 'survey_mile',
'links' => 'link',
'fathoms' => 'fathom',
'cable_lengths' => 'cable_length',
);
__PACKAGE__->reg_convs(
'survey_mile' => 8, 'furlongs',
'link' => 0.001, 'furlongs',
'fathom' => 6, 'feet',
'cable_length' => 123, 'fathoms',
);
=head2 Imperial
Imperial (english) units. The only unit included
in this set is "league".
=cut
__PACKAGE__->reg_units(
qw( league )
);
__PACKAGE__->reg_aliases(
'leagues' => 'league',
);
__PACKAGE__->reg_convs(
'league' => 3, 'miles',
);
=head2 Other
light_second
nautical_mile
=cut
__PACKAGE__->reg_units(
qw( light_second nautical_mile )
);
__PACKAGE__->reg_aliases(
'light_seconds' => 'light_second',
'nautical_miles' => 'nautical_mile',
);
__PACKAGE__->reg_convs(
'light_second' => 299792458, 'm',
'nautical_mile' => 1852, 'm',
);
1;
__END__
=head1 SUPPORT
See L<Class::Measure/SUPPORT>.
=head1 AUTHORS
See L<Class::Measure/AUTHORS>.
=head1 LICENSE
See L<Class::Measure/LICENSE>.
=cut
|
