Name	↺	&whole	&environment	(required)	&optional	&rest	&body	&key	&aux
ordinary defun, lambda				✔	✔	✔		✔	✔
generic function defgeneric				✔	✔ D: ∅	✔		✔ D: ∅
specialized defmethod				✔ Specializer	✔	✔		✔	✔
destructuring destructuring-bind	↺	✔		✔	✔	✔	✔	✔	✔
macro defmacro	↺	✔	✔ Top-level only	✔	✔	✔	✔	✔	✔
boa defstruct				✔	✔	✔		✔	✔
defsetf			✔	✔	✔	✔		✔
deftype	↺	✔	✔ Top-level only	✔	✔ D: *	✔	✔	✔ D: *	✔
define-modify-macro				✔	✔	✔
define-method-combination arguments		✔		✔	✔	✔		✔	✔

ordinary ✔ required ✔ &optional ✔ &rest ✔ &key ✔ &aux	generic function ✘ &aux ⇄ Default: ∅
	specialized ⇄ Specializer
	destructuring ✔ &whole ✔ &body ⇄ Recursive	macro ✔ &environment ⇄ Recurse: destructuring	deftype ⇄ Default default: *
	boa ∅ No syntactic changes
	defsetf ✘ &aux ✔ &environment
	define-method-combination arguments ✔ &whole
define-modify-macro ✔ &optional ✔ &rest

Name	Arity	Accepted by
&whole	1	destructuring macro deftype define-method-combination arguments
&environment	1	macro defsetf deftype
(required)	any	All
&optional	any	All
&rest	1	All
&body	1	destructuring macro deftype
&key	any	All except define-modify-macro
&allow-other-keys	0	All those accepting &key
&aux	any	All except: generic function defsetf define-modify-macro