From: Dan Zwell <dzwell@...>
Date: 2007-05-01T00:55:33+09:00
Subject: Re: sorting by rand?

Marcin Raczkowski wrote:
> On Monday 30 April 2007 02:55, Dan Zwell wrote:
>>> l = a.length
>>> a.each_index { |x| a[x] = a[rand(l)] }
>>>
> 
> a.each_index { |x| r= rand(l); a[x], a[r] = a[r], a[x] }
> 

I forgot you could do that. No wonder arrays don't have a swap method!