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Jexpr-field

Change-jexpr-field

Modifying constructor for jexpr-field structures.

Syntax

(change-jexpr-field x 
                    [:target <target>] 
                    [:name <name>])

This is an often useful alternative to make-jexpr-field.

We construct a new jexpr-field 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-jexpr-field

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