What is Expressiveness in a Computer Language

[Marshall]

Matthias Blume wrote:
>
> How does this "create" such a problem?  The problem is there in either
> approach.  In fact, I believe that the best chance we have of
> addressing the problem is by adopting the "replace the code" model
> along with a "translate the data where necessary at the time of
> replacement".  Translating the data, i.e., re-establishing the
> invariants expected by the updated/replaced code, seems much harder
> (to me) in the case of self-modifying code.  Erlang got this one
> right.

Pardon my ignorance, but what is the Erlang solution to this problem?


Marshall