Modifying constructor for type-void structures.
(change-type-void x )
This is an often useful alternative to make-type-void.
We construct a new type-void structure that is a copy of
This is an ordinary
Macro:
(defmacro change-type-void (x &rest args) (std::change-aggregate 'type-void x args 'nil 'change-type-void 'nil))