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String-option-none

Change-string-option-none

Modifying constructor for string-option-none structures.

Syntax

(change-string-option-none x 
                           )

This is an often useful alternative to make-string-option-none.

We construct a new string-option-none 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-string-option-none

(defmacro change-string-option-none (x &rest args)
  (std::change-aggregate 'string-option-none
                         x args 'nil
                         'change-string-option-none
                         'nil))