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Jexpr-instanceof

Change-jexpr-instanceof

Modifying constructor for jexpr-instanceof structures.

Syntax

(change-jexpr-instanceof x 
                         [:left <left>] 
                         [:right <right>])

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

We construct a new jexpr-instanceof 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-instanceof

(defmacro change-jexpr-instanceof (x &rest args)
  (std::change-aggregate 'jexpr-instanceof
                         x args
                         '((:left . jexpr-instanceof->left)
                           (:right . jexpr-instanceof->right))
                         'change-jexpr-instanceof
                         'nil))