From: "Shot (Piotr Szotkowski)" <shot@...>
Date: 2009-12-14T01:16:15+09:00
Subject: Re: Code block for element comparison in an array?

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Derek Cannon:

> First, it picks out the courses I need to take (based on what is being
> offered that semester) and stores it in an array. Then it checks the
> array, comparing the elements to all the others

Then you might be interested in Array#combination:

classes =3D ['devel', 'databases', 'IT']
classes.combination(2).each do |a, b|
  puts "comparing #{a} with #{b}"
end

comparing devel with databases
comparing devel with IT
comparing databases with IT

=E2=80=94 Shot
--=20
Not all code needs to be a factory, some of it can just be origami.
                                                             [_why]

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