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    • Jvalue-reference

    Change-jvalue-reference

    Modifying constructor for jvalue-reference structures.

    Syntax
    (change-jvalue-reference x 
                             [:get <get>]) 
    

    This is an often useful alternative to make-jvalue-reference.

    We construct a new jvalue-reference 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-jvalue-reference

    (defmacro change-jvalue-reference (x &rest args)
      (std::change-aggregate 'jvalue-reference
                             x args '((:get . jvalue-reference->get))
                             'change-jvalue-reference
                             'nil))