From: Matthias Georgi <matti_g@...>
Date: 2004-05-14T16:37:13+09:00
Subject: Re: [RCR] subclasses of string as hash keys

On Fri, 14 May 2004 12:35:32 +0900, <nobu.nokada@softhome.net> wrote:

> Hi,
>
> At Fri, 14 May 2004 06:50:49 +0900,
> Matthias Georgi wrote in [ruby-talk:100193]:
>> example:
>>
>> class A < String; end
>>
>> hash = {}
>>
>   hash[ A.new('x').freeze ] = nil
>   p hash.keys.first.class
>   => A
>

Oh yes, didn't know that.


-- 
Matthias Georgi
matti_g@gmx.de