From: Christian Neukirchen <chneukirchen@...>
Date: 2005-12-15T02:20:14+09:00
Subject: Re: stable sort_by?

Patrick Gundlach <clr10.10.randomuser@spamgourmet.com> writes:

> pp h.sort{ |a,b|
>   res = a[1][:a] <=> b[1][:a]
>   if res == 0
>     res = a[1][:b] <=> b[1][:b]
>   end
>   if res == 0
>     res = a[1][:c] <=> b[1][:c]
>   end
>   if res == 0
>     res = a[1][:d] <=> b[1][:d]
>   end
>   res
> }.reverse

Checkout Numeric#nonzero?.

> Patrick
-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org