The Art of the Metaobject Protocol. Let’s build a system ... in this system we haven’t built yet! We’ll start with some DEFCLASS calls to define some classes

The Art of the Metaobject Protocol. Let’s build a system ... in this system we haven’t built yet! We’ll start with some DEFCLASS calls to define some classes for its internal data structures. In a couple hundred pages, we’ll have enough written that we can define DEFCLASS to close the loop.