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