The same goes for most other popular object systems.
As of today he holds multiple patents in distributed object systems and image processing.
An object graph is a view of an object system at a particular point in time.
The first part of the work was devoted to developing a powerful, yet simple object system.
Examples of the former include many distributed object systems.
According to Leonard, the object system was a "general database for managing the individual objects in a simulation".
Today, the object system is a central part of Factor.
Which is to say, it is essentially built into the object system:
(Though both also offer many other features beyond just their respective object systems.)
It uses the actor model for concurrency in a manner that works alongside its object system.
