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Obj-declon

Change-obj-declon

Modifying constructor for obj-declon structures.

Syntax

(change-obj-declon x 
                   [:scspec <scspec>] 
                   [:tyspec <tyspec>] 
                   [:declor <declor>] 
                   [:init? <init?>])

This is an often useful alternative to make-obj-declon.

We construct a new obj-declon 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-obj-declon

(defmacro change-obj-declon (x &rest args)
  (std::change-aggregate 'obj-declon
                         x args
                         '((:scspec . obj-declon->scspec)
                           (:tyspec . obj-declon->tyspec)
                           (:declor . obj-declon->declor)
                           (:init? . obj-declon->init?))
                         'change-obj-declon
                         'nil))