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