Modifying constructor for member-type-list-option-none structures.
(change-member-type-list-option-none x )
This is an often useful alternative to make-member-type-list-option-none.
We construct a new member-type-list-option-none structure that is a copy of
This is an ordinary
Macro:
(defmacro change-member-type-list-option-none (x &rest args) (std::change-aggregate 'member-type-list-option-none x args 'nil 'change-member-type-list-option-none 'nil))