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