Is there an official way to add methods to an instance?

[John Nagle]

Bruno Desthuilliers wrote:
> Paul Rubin a écrit :
>> Brian Vanderburg II <BrianVanderburg2 at aim.com> writes:
>>> I've checked out some ways to get this to work.  I want to be able to
>>> add a new function to an instance of an object.  
>>
>> Ugh.  Avoid that if you can.
> 
> Why so ? OO is about objects, not classes, and adding methods on a 
> per-object basis is perfectly legitimate.

    It's what professional programmers call a "l33t feature",
one not suitable for production code.  Typically such features
are used by programmers with about two years experience,
trying too hard to prove that they're cool.

				John Nagle