From: Todd Benson <caduceass@...>
Date: 2008-03-21T16:14:43+09:00
Subject: Re: Dealing properly with scope; came from:combine array(string) to string?

On Thu, Mar 20, 2008 at 6:14 PM, Daniel Finnie <dan@danfinnie.com> wrote:
> You can usually use inject or collect to eliminate the a = [] line.
>  For example:
>
>
>  b = %w[a b c d e]
>  a = b.collect {|i| i * 2 }

Unless you have a method that doesn't return an array (i.e. something
other than map/collect).  Sometimes you have to build the array inside
the iterator.  I was just wondering if this was common practice.

>
>  Also, I would caution against using the variable i as anything but a
>  loop counter.

For production code, I agree.  But, I think even then, I wouldn't use "i".

Todd