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