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Expr-member

Change-expr-member

Modifying constructor for expr-member structures.

Syntax

(change-expr-member x 
                    [:target <target>] 
                    [:name <name>])

This is an often useful alternative to make-expr-member.

We construct a new expr-member 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-expr-member

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