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