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Values+denv

Change-values+denv

Modifying constructor for values+denv structures.

Syntax

(change-values+denv x 
                    [:values <values>] 
                    [:denv <denv>])

This is an often useful alternative to make-values+denv.

We construct a new values+denv structure that is a copy of x, except that you can explicitly change some particular fields. Any fields you don't mention just keep their values from x.

Definition

This is an ordinary change- macro introduced by fty::defprod.

Macro: change-values+denv

(defmacro change-values+denv (x &rest args)
  (std::change-aggregate 'values+denv
                         x args
                         '((:values . values+denv->values)
                           (:denv . values+denv->denv))
                         'change-values+denv
                         'nil))