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