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Filedata

Change-filedata

Modifying constructor for filedata structures.

Syntax

(change-filedata x 
                 [:unwrap <unwrap>])

This is an often useful alternative to make-filedata.

We construct a new filedata 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-filedata

(defmacro change-filedata (x &rest args)
  (std::change-aggregate 'filedata
                         x args '((:unwrap . filedata->unwrap))
                         'change-filedata
                         'nil))