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Lift-info

Change-lift-info

Modifying constructor for lift-info structures.

Syntax

(change-lift-info x 
                  [:def <def>] 
                  [:hyps <hyps>])

This is an often useful alternative to make-lift-info.

We construct a new lift-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-lift-info

(defmacro change-lift-info (x &rest args)
  (std::change-aggregate 'lift-info
                         x args
                         '((:def . lift-info->def)
                           (:hyps . lift-info->hyps))
                         'change-lift-info
                         'nil))