From: Eric Hodel <drbrain@...7.net>
Date: 2005-11-09T06:04:12+09:00
Subject: Re: Numeric <=>

On Nov 8, 2005, at 12:52 PM, ChrisH wrote:

> Just looking at the docs on ruby-doc.org and noticed that Numeric
> implements <=> so it returns  0 or nil. It also includes Comparable,
> which depends on <=> returning -1, 0 or 1.  Any one know why
> Numeric doesn't provide all three expected values?

Numeric is an abstract class.  Fixnum, Bignum, Float, BigDecimal, etc  
need to override #<=> appropriately.

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
FEC2 57F1 D465 EB15 5D6E  7C11 332A 551C 796C 9F04