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Import

Change-import

Modifying constructor for import structures.

Syntax

(change-import x 
               [:program <program>])

This is an often useful alternative to make-import.

We construct a new import 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-import

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