[PEAK] RuleDispatch -- custom evaluation contexts.

Phillip J. Eby pje at telecommunity.com
Sun Mar 5 19:38:10 EST 2006

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.

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