antero94

On the Implementation of Interactive Object-Oriented languages
Antero Taivalsaari - May 94

"A system is termed *dynamically open* if its behavior can be easily
modified and extended at runtime, either by interaction of the system
with the environment or by programmer intervention.

In contrast, a *dynamically closed* programming system is one whose
behavior is fixed prior to program execution."

Can we conciliate openness with static typing? Antero's answer is no.
Mine is yes.
Clearly, in ever running systems, dynamic openness is a must.

"The essence of oop is incremental modification [...]"

Tagged-memory