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