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