a whimsical question

[Urs Hoelzle]

Arata Kubota writes:
> Is Spy of Self 4.0 written in Self?
> If not (probably not...),
> can it or similar utility be written in Self and how slow will it be?
> Can it be written in Self without making the system heavily loaded?

Speed isn't so much the problem -- the main issue is that the spy
needs to run asynchronously with the VM.  For example, there would be
no way to update the display during a garbage collection if the spy
was written in Self itself.

-Urs