In CLOS, instance remorphing considered useless in practice?

Vladimir Sedach vas at
Wed Dec 16 20:37:06 UTC 2020

Marco Antoniotti <marco.antoniotti at> writes:
>    - Some time ago, I started looking at reviewing the condition
>    hierarchy.  The motivation being the fact that
>    (read-from-string "I-AM-NOT-A-PACKAGE::FOO")
>    yields different conditions in different implementations.  This is just
>    an example: there are many, many more.

What would also be nice is having conditions be CLOS classes (I
recall reading somewhere that they already are in most
implementations). Then we can have fun doing CHANGE-CLASS inside
condition handlers.

Vladimir Sedach
Software engineering services in Los Angeles

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