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Uchar-format

Change-uchar-format

Modifying constructor for uchar-format structures.

Syntax

(change-uchar-format x 
                     [:bits <bits>])

This is an often useful alternative to make-uchar-format.

We construct a new uchar-format 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-uchar-format

(defmacro change-uchar-format (x &rest args)
  (std::change-aggregate 'uchar-format
                         x args '((:bits . uchar-format->bits))
                         'change-uchar-format
                         'nil))