Modifying constructor for comm-while structures.
(change-comm-while x [:cond <cond>] [:body <body>])
This is an often useful alternative to make-comm-while.
We construct a new comm-while structure that is a copy of
This is an ordinary
Macro:
(defmacro change-comm-while (x &rest args) (std::change-aggregate 'comm-while x args '((:cond . comm-while->cond) (:body . comm-while->body)) 'change-comm-while 'nil))