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1 | package Moose::Autobox::Code; |
2 | use Moose::Role 'with'; |
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3 | use autobox; |
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4 | |
5 | our $VERSION = '0.01'; |
6 | |
7 | with 'Moose::Autobox::Ref'; |
8 | |
9 | sub curry { |
10 | my ($f, @a) = @_; |
11 | return sub { $f->(@a, @_) } |
12 | } |
13 | |
14 | sub rcurry { |
15 | my ($f, @a) = @_; |
16 | return sub { $f->(@_, @a) } |
17 | } |
18 | |
19 | sub compose { |
20 | my ($f, $f2, @rest) = @_; |
21 | return $f if !$f2; |
22 | return (sub { $f2->($f->(@_)) })->compose(@rest); |
23 | } |
24 | |
25 | sub disjoin { |
26 | my ($f, $f2) = @_; |
27 | return sub { $f->(@_) || $f2->(@_) } |
28 | } |
29 | |
30 | sub conjoin { |
31 | my ($f, $f2) = @_; |
32 | return sub { $f->(@_) && $f2->(@_) } |
33 | } |
34 | |
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35 | 1; |
36 | |
37 | __END__ |
38 | |
39 | =pod |
40 | |
41 | =head1 NAME |
42 | |
43 | Moose::Autobox::Code - the Code role |
44 | |
45 | =head1 SYNOPOSIS |
46 | |
47 | use Moose::Autobox; |
48 | use autobox; |
49 | |
50 | my $adder = sub { $_[0] + $_[1] }; |
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51 | my $add_2 = $adder->curry(2); |
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52 | |
53 | $add_2->(2); # returns 4 |
54 | |
55 | =head1 DESCRIPTION |
56 | |
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57 | This is a role to describe operations on the Code type. |
58 | |
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59 | =head1 METHODS |
60 | |
61 | =over 4 |
62 | |
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63 | =item B<curry (@values)> |
64 | |
65 | =item B<rcurry (@values)> |
66 | |
67 | =item B<conjoin (\&sub)> |
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68 | |
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69 | =item B<disjoin (\&sub)> |
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70 | |
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71 | =item B<compose (@subs)> |
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72 | |
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73 | This will take a list of C<@subs> and compose them all into a single |
74 | subroutine where the output of one sub will be the input of another. |
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75 | |
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76 | =back |
77 | |
78 | =over 4 |
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79 | |
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80 | =item B<meta> |
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81 | |
82 | =back |
83 | |
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84 | =head1 BUGS |
85 | |
86 | All complex software has bugs lurking in it, and this module is no |
87 | exception. If you find a bug please either email me, or add the bug |
88 | to cpan-RT. |
89 | |
90 | =head1 AUTHOR |
91 | |
92 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
93 | |
94 | =head1 COPYRIGHT AND LICENSE |
95 | |
96 | Copyright 2006 by Infinity Interactive, Inc. |
97 | |
98 | L<http://www.iinteractive.com> |
99 | |
100 | This library is free software; you can redistribute it and/or modify |
101 | it under the same terms as Perl itself. |
102 | |
103 | =cut |