From: nobu.nokada@...
Date: 2005-07-16T12:01:34+09:00
Subject: Re: Cascading <=> comparisons

Hi,

At Sat, 16 Jul 2005 11:08:57 +0900,
Garance A Drosehn wrote in [ruby-talk:148321]:
> In perl, I can just casade the '<=>' comparisons, because it
> will treat the zero value as "false".  Thus, I could get away
> with a one-liner somewhat similar to:
> 
> vals[kb] <=> vals[ka] or a <=> kb

(vals[kb] <=> vals[ka]).nonzero? or (ka <=> kb)

-- 
Nobu Nakada