Allows the deletion of a range of fields in a multifield slot value. The range indices must be from 1..n, where n is the number of fields in the multifield slot's original value and n > 0.
External Interface Syntax
(slot-delete$ <instance-expression> <mv-slot-name>
<range-begin> <range-end>)
Internal Interface Syntax
(direct-slot-delete$ <mv-slot-name> <range-begin> <range-end>)
Example
CLIPS> (initialize-instance a) [a] CLIPS> (slot-delete$ a mfs 2 4) (a e) CLIPS>