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Param-declon

Change-param-declon

Modifying constructor for param-declon structures.

Syntax

(change-param-declon x 
                     [:tyspec <tyspec>] 
                     [:declor <declor>])

This is an often useful alternative to make-param-declon.

We construct a new param-declon 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-param-declon

(defmacro change-param-declon (x &rest args)
  (std::change-aggregate 'param-declon
                         x args
                         '((:tyspec . param-declon->tyspec)
                           (:declor . param-declon->declor))
                         'change-param-declon
                         'nil))