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