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Repetition

Change-repetition

Modifying constructor for repetition structures.

Syntax

(change-repetition x 
                   [:range <range>] 
                   [:element <element>])

This is an often useful alternative to make-repetition.

We construct a new repetition 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-repetition

(defmacro change-repetition (x &rest args)
  (std::change-aggregate 'repetition
                         x args
                         '((:range . repetition->range)
                           (:element . repetition->element))
                         'change-repetition
                         'nil))