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Vl-msg

Change-vl-msg

Modifying constructor for vl-msg structures.

Syntax

(change-vl-msg x 
               [:msg <msg>] 
               [:args <args>])

This is an often useful alternative to make-vl-msg.

We construct a new vl-msg 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 defprod.

Macro: change-vl-msg

(defmacro change-vl-msg (x &rest args)
  (std::change-aggregate 'vl-msg
                         x args
                         '((:msg . vl-msg->msg)
                           (:args . vl-msg->args))
                         'change-vl-msg
                         'nil))