Macro

Summary

Defines a structure class for use in the object base.

Signature

def-kb-struct name-and-options {slot-description}* => name

Arguments

The arguments are as for defstruct, except that in name-and-options the only valid options are :include and :print-function.

Values

name

The name of the structure class.

Description

Defines a KnowledgeWorks structure class. Objects of these classes are analogous to Lisp structures except that they may be used in rules similarly to CLOS objects.

Examples

(def-kb-struct start)

(def-kb-struct (named-kb-struct

  (:print-function print-named-kb-struct))

  (name (gensym 'named-kb-struct)))

(def-kb-struct (possible-trucks-for-load

  (:include named-kb-struct))

  load trucks)

See also

def-kb-class