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