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