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