Returns the keyword parameter specifiers for a method.
Two values are returned: a list of the explicitly named keywords and a generalized boolean that states whether &allow-other-keys
had been specified in the method definition.
(defmethod gf1 ((a integer) &optional (b 2) &key (c 3) ((:dee d) 4) e ((eff f))) (list a b c d e f))
→#<STANDARD-METHOD GF1 (INTEGER) 36324653>
(find-method #'gf1 '() (list (find-class 'integer)))
→#<STANDARD-METHOD GF1 (INTEGER) 36324653>
(function-keywords *)
→(:C :DEE :E EFF) false
(defmethod gf2 ((a integer)) (list a b c d e f))
→#<STANDARD-METHOD GF2 (INTEGER) 42701775>
(function-keywords (find-method #'gf1 '() (list (find-class 'integer))))
→() false
(defmethod gf3 ((a integer) &key b c d &allow-other-keys) (list a b c d e f))
→#<STANDARD-METHOD GF3 (INTEGER) 50814231>
(function-keywords *)
→(:B :C :D) true
None.
None.