+;;; Library
+
+(eval-when-compile
+ (%compile-defmacro 'defmacro
+ (lambda (name args &rest body)
+ `(eval-when-compile
+ (%compile-defmacro ',name (lambda ,args ,@body))))))
+
+(defmacro defun (name args &rest body)
+ `(progn
+ (eval-when-compile
+ (%compile-defun ',name))
+ (fsetq ,name (lambda ,args ,@body))))
+
+
+;;; Tests
+
+(lambda (x y) x)