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Char-format

Change-char-format

Modifying constructor for char-format structures.

Syntax

(change-char-format x 
                    [:signedp <signedp>])

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

We construct a new char-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-char-format

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