NAME
Moose::Autobox::Code - the Code role
VERSION
version 0.16
SYNOPSIS
use Moose::Autobox;
my $adder = sub { $_[0] + $_[1] };
my $add_2 = $adder->curry(2);
$add_2->(2); # returns 4
# create a recursive subroutine
# using the Y combinator
*factorial = sub {
my $f = shift;
sub {
my $n = shift;
return 1 if $n < 2;
return $n * $f->($n - 1);
}
}->y;
factorial(10) # returns 3628800
DESCRIPTION
This is a role to describe operations on the Code type.
METHODS
curry (@values)
rcurry (@values)
conjoin (\&sub)
disjoin (\&sub)
compose (@subs)
-
This will take a list of
@subs
and compose them all into a single subroutine where the output of one sub will be the input of another. y
-
This implements the Y combinator.
u
-
This implements the U combinator.
meta
SEE ALSO
- http://en.wikipedia.org/wiki/Fixed_point_combinator
- http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/20469
SUPPORT
Bugs may be submitted through the RT bug tracker (or bug-Moose-Autobox@rt.cpan.org).
There is also a mailing list available for users of this distribution, at http://lists.perl.org/list/moose.html.
There is also an irc channel available for users of this distribution, at #moose
on irc.perl.org
.
AUTHOR
Stevan Little <stevan.little@iinteractive.com>
COPYRIGHT AND LICENSE
This software is copyright (c) 2006 by 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.