Well, we could make all the accessors to the index return only
deepCopies of entries, and never the dictionary or originals. That
should keep us safe from anything not using #instVarAt:. 

Lex, can you tell, when you're trying to save if you have extra in
pointers?

Daniel

Bernhard Pieber <bernhard at pieber.com> wrote:
> > > 2) Why not use ImageSegments to save the index on disk?
> >
> > I've actually tried this twice and given up in frustration.  I agree
> > that it's a wonderful solution: fast, simple, and natural.  However, I
> > kept finding excess in-pointers which kept the whole index from going
> > out.  Maybe someone cleverer or more patient or both could make this
> > work.
> Ah yes, I did not think about the in-pointers. Obviously I am more of a
> theorist than practicioner. The difference between theory and practice is
> smaller in theory than in practice... :-)
> 
> Cheers,
> Bernhard