Re: Simple Question

 
On Friday, February 17, 2006, at 09:07AM, Paolo Amoroso <[email protected]> wrote:

>Brent Fulgham <[email protected]> writes:
>
>> How do I "query" my assertions, as I might with a standard Prolog-
>> style database.
>[...]
>> Welcome to OpenMCL Version 1.0 (DarwinPPC32)!
>[...]
>> ? (facts)
>> #<FACT F-0, HOBBIT, CF is 0.000 ; ((AGE 100) (NAME FRODO))>
>> #<FACT F-1, HOBBIT, CF is 0.000 ; ((AGE 200) (NAME BILBO))>
>[...]
>> ? (retrieve (?x)
>> (?x (hobbit (name ?name))))
>> ;Compiler warnings :
>> ;   Unused lexical variable #:G30, in an anonymous lambda form.
>> (((?X . #<HOBBIT #x844F246>)) ((?X . #<HOBBIT #x84397BE>)))
>
>The query works for me with CMUCL under Linux.  It returns:
>
>  (((?X . #<HOBBIT {594097F5}>)) ((?X . #<HOBBIT {593FA3B5}>)))
>
>This may be an OpenMCL issue.

No -- I think this is correct behavior.  It's just OpenMCL tags the classes
differently than CMUCL.  I believe these two results are "equivalent" for
their differing platforms.

Thanks,

-Brent


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