Syntax:
symbol-plist symbol => plist
(setf (symbol-plist symbol) new-plist)
Arguments and Values:
symbol---a symbol.
plist, new-plist---a property list.
Description:
Accesses the property list of symbol.
Examples:
(setq sym (gensym)) => #:G9723 (symbol-plist sym) => () (setf (get sym 'prop1) 'val1) => VAL1 (symbol-plist sym) => (PROP1 VAL1) (setf (get sym 'prop2) 'val2) => VAL2 (symbol-plist sym) => (PROP2 VAL2 PROP1 VAL1) (setf (symbol-plist sym) (list 'prop3 'val3)) => (PROP3 VAL3) (symbol-plist sym) => (PROP3 VAL3)
Side Effects: None.
Affected By: None.
Exceptional Situations:
Should signal an error of type type-error if symbol is not a symbol.
See Also:
Notes:
The use of setf should be avoided, since a symbol's property list is a global resource that can contain information established and depended upon by unrelated programs in the same Lisp image.