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