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