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