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Sun Feb 15 19:46:01 CET 2009

dynamic binding

Since Forth already has its local mechanisms for function composition,
adding dynamic binding (in the form of shallow binding) to implement
limited extent objects might not be such a bad idea.

The big advantage here is ease of implementation:
    * It doesn't require separate namespaces (local vs. global variables)
    * It can use deterministic stacks for storage (the retain/return stack).
    * No indirect addressing is necessary (expensive on PIC)

There are plenty of disadvantages though, most of them boiling down to
"no closures".

But, for a real-time language without parameter names, this is a
really good mechanism, since it is 100% deterministic for memory
allocation.



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