From: Bertram Scharpf <lists@...>
Date: 2005-03-19T07:58:39+09:00
Subject: Re: how do you duck-type something to String, so String believes you?

Hi,

Am Samstag, 19. M�r 2005, 02:21:15 +0900 schrieb Sam Roberts:
> Quoting flgr@ccan.de, on Tue, Mar 15, 2005 at 10:59:08PM +0900:
> 
>   class OneX; def ==(other); 1 == other; end; end
>      => nil
>   class UnityX; def ==(other); [1,1] == other; end; end
>      => nil
>   onex = OneX.new
>      => #<OneX:0x32290c>
>   unityx = UnityX.new
>      => #<UnityX:0x31daec>
>   [1,1] == unityx
>      => false
>   1 == onex
>      => true
> 
> Huh? It always happens?

Fixnum and Float will call `other.== self' if they don't
find one of their relatives.

File `numeric.c', Function `num_equal()', line 806.

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de