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Transform

Change-transform

Modifying constructor for transform structures.

Syntax

(change-transform x 
                  [:new-function-name <new-function-name>] 
                  [:old-function-name <old-function-name>] 
                  [:transform-name <transform-name>] 
                  [:arguments <arguments>])

This is an often useful alternative to make-transform.

We construct a new transform 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-transform

(defmacro change-transform (x &rest args)
  (std::change-aggregate
       'transform
       x args
       '((:new-function-name . transform->new-function-name)
         (:old-function-name . transform->old-function-name)
         (:transform-name . transform->transform-name)
         (:arguments . transform->arguments))
       'change-transform
       'nil))