Modifying constructor for eval-state-error structures.
(change-eval-state-error x )
This is an often useful alternative to make-eval-state-error.
We construct a new eval-state-error structure that is a copy of
This is an ordinary
Macro:
(defmacro change-eval-state-error (x &rest args) (std::change-aggregate 'eval-state-error x args 'nil 'change-eval-state-error 'nil))