From: Patrick Gundlach <clr9.10.randomuser@...>
Date: 2005-12-08T09:07:35+09:00
Subject: Re: increasing counter whithin loop?


[...]

> There's really no difference between:
>
>  for counter in 0...element_size
>    ...
>  end
>
> and
>
>  (0...element_size).each do |counter|
>    ...
>  end

OK, then it makes sense that one cannot manipulate counter. But IMO it
is not intuitive (POLS ;-)) that the counter in the for-loop can't be
changed.


> 90% of the time you don't need counters or while loops, though. 
> Even here, there's nothing preventing you from doing e.g.:
>
>  skip = false
>  sequence.each do |element|
>    if skip
>      skip = false
>      next
>    end
>    ...
>    # set skip to true to skip the next iteration
>    ...
>  end

Yes, sure, but now it is getting ugly again. I am not looking for any
way to work, but to find a readable, beautiful and ruby-like piece of
code.

Patrick