I just used the new roodi gem to check out some of my code that has a
lot of algorithmic code.  It gave me a number of issues with the
phrase "Don't use 'for' loops. Use Enumerable.each instead."  I prefer
for loops as opposed to using each simply because it's what I'm used
to coming from C-style languages.

Example:

This is what I do:

  for i in 0...str.size
    ...
  end

This is what roodi would have me do

  (0...str.size).each do |i|
    ...
  end

Is there a real, substantive reason to use each instead of for? Or is
it simply just a preference issue?

Thanks,
--
     TekWiz