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Full Discussion: What is Ruby?
Top Forums Shell Programming and Scripting What is Ruby? Post 302455255 by Neo on Tuesday 21st of September 2010 07:28:26 AM
Old 09-21-2010
Quote:
Originally Posted by kurumi
Ruby is just a tool like any other languages out there, Perl, Python you name it.
I agree. It is pretty easy to install, for example on Debian / Ubuntu:

Code:
root@myserver:/home/neo/bin# ruby
The program 'ruby' is currently not installed.  You can install it by typing:
apt-get install ruby
ruby: command not found

On my Mac, is it installed "out of the box".

OSX: man ruby

See also: Apropos for Ruby

See also: Ruby Home Page (English)
This User Gave Thanks to Neo For This Post:
 

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Moose::Autobox::Code(3pm)				User Contributed Perl Documentation				 Moose::Autobox::Code(3pm)

NAME
Moose::Autobox::Code - the Code role SYNOPOSIS
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 <http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/20469> BUGS
All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to cpan-RT. AUTHOR
Stevan Little <stevan@iinteractive.com> COPYRIGHT AND LICENSE
Copyright 2006-2008 by Infinity Interactive, Inc. <http://www.iinteractive.com> This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2012-03-20 Moose::Autobox::Code(3pm)
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