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