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Lhrange

Change-lhrange

Modifying constructor for lhrange structures.

Syntax

(change-lhrange x 
                [:w <w>] 
                [:atom <atom>])

This is an often useful alternative to make-lhrange.

We construct a new lhrange 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 defprod.

Macro: change-lhrange

(defmacro change-lhrange (x &rest args)
  (std::change-aggregate 'lhrange
                         x args
                         '((:w . lhrange->w)
                           (:atom . lhrange->atom))
                         'change-lhrange
                         'nil))