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