From: Martin DeMello <martindemello@...>
Date: 2004-04-12T18:24:15+09:00
Subject: Re: zip block oddities/bug?

Charles Comstock <cc1@cec.wustl.edu> wrote:
 
> irb(main):009:0> (1..3).zip([4,5,6]) {|x| p x;}
> [1, 4]
> [2, 5]
> [3, 6]
> => nil
> 
> I don't follow why it was decided that the final result be nil, it would 
> be nice if returned the results from the block, meaning the above 
> example would result in:
> 
> irb(main):009:0> (1..3).zip([4,5,6]) {|x| p x; x}
> [1, 4]
> [2, 5]
> [3, 6]
> => [[1, 4],[2, 5], [3, 6]]

Think of the block zip as equivalent to 'each' - it iterates over the
result set, but never actually collects it.

martin