[PEAK] RuleDispatch -- custom evaluation contexts.

[Phillip J. Eby]

At 01:01 AM 3/6/2006 +0100, Simon Belak wrote:
>If I understand correctly, predicates are currently parsed using caller's 
>frame locals and globals. It would be nice if it were possible to pass a 
>user-defined context along with rules (to where() and relatives).
>
>Use-case being wrappers (or just indirect calls) for generic functions.

Generic functions and Dispatchers provide 'parse()' and 'parseRule()' 
methods for this purpose.