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• Atc-var-info

Change-atc-var-info

Modifying constructor for atc-var-info structures.

Syntax

(change-atc-var-info x 
                     [:type <type>] 
                     [:thm <thm>] 
                     [:externalp <externalp>]) 

This is an often useful alternative to make-atc-var-info.

We construct a new atc-var-info 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-atc-var-info

(defmacro change-atc-var-info (x &rest args)
  (std::change-aggregate 'atc-var-info
                         x args
                         '((:type . atc-var-info->type)
                           (:thm . atc-var-info->thm)
                           (:externalp . atc-var-info->externalp))
                         'change-atc-var-info
                         'nil))