From: Robert Klemme <shortcutter@...>
Date: 2006-08-03T18:30:09+09:00
Subject: Re: A left-exclusive Range class

Cyrus Hall wrote:
> On Thu, 2006-08-03 at 01:35 +0900, Robert Klemme wrote:
>> The simplest thing you can always do is to create a method that (and 
>> optionally a special range class if you like) implements this as syntax 
>> modifications are always difficult.  If you do
>>
>> module Kernel
>>    private
>>
>>    def lor(r)
>>      r.exclude_end? ? r.first.succ ... r.last : r.first.succ .. r.last
>>    end
>> end
> 
> This isn't quite right however, as lor(0...10).include?(0.5) would
> return false (when it should return true).  However, what you suggest is
> what I'm doing right now, as every DHT I've ever seen uses whole
> numbers.  Never the less, looking for a better solution...

Yeah, that was just a quick sample hack to illustrate the idea.

> I'm writing the unit tests for a little replacement class right now.
> Once they all pass, I'll post it for others.

As I see you got the hang of it already. :-)

Cheers

	robert