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