Modifying constructor for 3col4vecline structures.
(change-3col4vecline x [:label <label>] [:val <val>] [:val2 <val2>])
This is an often useful alternative to make-3col4vecline.
We construct a new 3col4vecline structure that is a copy of
This is an ordinary
Macro:
(defmacro change-3col4vecline (x &rest args) (std::change-aggregate '3col4vecline x args '((:label . 3col4vecline->label) (:val . 3col4vecline->val) (:val2 . 3col4vecline->val2)) 'change-3col4vecline 'remake-3col4vecline))