From: David Alan Black <dblack@...>
Date: 2001-01-07T02:36:20+09:00
Subject: [ruby-talk:8750] Re: (start..end) where start > end

On Sun, 7 Jan 2001, Robert Gustavsson wrote:

> >> (7..0).each do
> 
> >Try this:
> >   7.downto(0) do |n| puts n end
> >   (0..7).to_a.reverse.each do |n| puts n end
> 
> Do you agree with me when I say that (7..0) is more beautiful? And it would
> probably be more efficient too.

It's certainly more beautiful than the to_a.reverse version.  I don't
mind #downto too much -- though (7..0) would be nice.  I wonder if
there's something inherent in the definition of a range (as opposed to
an array) which precludes that.


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
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