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Constrel

Change-constrel

Modifying constructor for constrel structures.

Syntax

(change-constrel x 
                 [:name <name>] 
                 [:args <args>])

This is an often useful alternative to make-constrel.

We construct a new constrel 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-constrel

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