1Moose::Autobox::Code(3)User Contributed Perl DocumentatioMnoose::Autobox::Code(3)
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6 Moose::Autobox::Code - the Code role
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9 version 0.16
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12 use Moose::Autobox;
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14 my $adder = sub { $_[0] + $_[1] };
15 my $add_2 = $adder->curry(2);
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17 $add_2->(2); # returns 4
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19 # create a recursive subroutine
20 # using the Y combinator
21 *factorial = sub {
22 my $f = shift;
23 sub {
24 my $n = shift;
25 return 1 if $n < 2;
26 return $n * $f->($n - 1);
27 }
28 }->y;
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30 factorial(10) # returns 3628800
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33 This is a role to describe operations on the Code type.
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36 "curry (@values)"
37 "rcurry (@values)"
38 "conjoin (\&sub)"
39 "disjoin (\&sub)"
40 "compose (@subs)"
41 This will take a list of @subs and compose them all into a single
42 subroutine where the output of one sub will be the input of
43 another.
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45 "y" This implements the Y combinator.
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47 "u" This implements the U combinator.
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49 "meta"
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52 <http://en.wikipedia.org/wiki/Fixed_point_combinator>
53 <http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/20469>
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56 Bugs may be submitted through the RT bug tracker
57 <https://rt.cpan.org/Public/Dist/Display.html?Name=Moose-Autobox> (or
58 bug-Moose-Autobox@rt.cpan.org <mailto:bug-Moose-Autobox@rt.cpan.org>).
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60 There is also a mailing list available for users of this distribution,
61 at <http://lists.perl.org/list/moose.html>.
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63 There is also an irc channel available for users of this distribution,
64 at "#moose" on "irc.perl.org" <irc://irc.perl.org/#moose>.
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67 Stevan Little <stevan.little@iinteractive.com>
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70 This software is copyright (c) 2006 by Infinity Interactive, Inc.
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72 This is free software; you can redistribute it and/or modify it under
73 the same terms as the Perl 5 programming language system itself.
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77perl v5.30.1 2020-01-30 Moose::Autobox::Code(3)