Changing the class of an instance

[Richard Tobin]

In article <8kkuuv$ohu$1 at nnrp1.deja.com>,  <david_ullrich at my-deja.com> wrote:

>    If you said what you were trying to do someone would show
>you how to do it without trying to change the class of an
>instance.

I can see plenty of other ways to do it myself, thanks.  For example,
changing the relevant methods of the instance.

>    I can't imagine there being any _argument_ about whether
>it's a good idea...

It's not as if it's a previously-unheard-of idea I've dreamt up; on
the contrary it is explicitly provided in some other well-known object
systems (eg change-class in CLOS).

-- Richard
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