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    • Annotation

    Change-annotation

    Modifying constructor for annotation structures.

    Syntax
    (change-annotation x 
                       [:name <name>]) 
    

    This is an often useful alternative to make-annotation.

    We construct a new annotation 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-annotation

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