On Mon, 07 Jun 2004 13:23:50 +0900, Sean O'Dell wrote:

> On Sunday 06 June 2004 20:48, George Ogata wrote:
>> "Sean O'Dell" <sean / celsoft.com> writes:
>> >> Sorry for being slow, but I have no idea what you're after.  Could you
>> >> give an example of what you'd like to be able to write to achieve what
>> >> you want?
>> >
>> > object.implements(:hash_interface)
>>
>> Well, as Kristof replied, that's easily done.  Doing it on a per-Class
>> basis is similarly easy.  But how is it different to the idea that you
>> called "a kludge" (http:///www.ruby-talk.org/102539)?  Or is your
>> complaint that it is not already done in the stdlib?
> 
> My complaint is that it's not already in the stdlib.  I don't expect
> everything I want to come from the standard libraries.  Most of the code I
> call is my own.  But when it comes to something like type checking, I really
> feel the language should offer SOMETHING sufficient to solve a problem like
> this.
> 
> 	Sean O'Dell

Hi, could I ask what is not sufficient about is_a? ?

Kristof Bastiaensen