Modifying constructor for maybe-4vec-some structures.
(change-maybe-4vec-some x [:val <val>])
This is an often useful alternative to make-maybe-4vec-some.
We construct a new maybe-4vec-some structure that is a copy of
This is an ordinary
Macro:
(defmacro change-maybe-4vec-some (x &rest args) (std::change-aggregate 'maybe-4vec-some x args '((:val . maybe-4vec-some->val)) 'change-maybe-4vec-some 'nil))