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Tyspecseq-double

Change-tyspecseq-double

Modifying constructor for tyspecseq-double structures.

Syntax

(change-tyspecseq-double x 
                         [:complex <complex>])

This is an often useful alternative to make-tyspecseq-double.

We construct a new tyspecseq-double 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-tyspecseq-double

(defmacro change-tyspecseq-double (x &rest args)
  (std::change-aggregate 'tyspecseq-double
                         x args
                         '((:complex . tyspecseq-double->complex))
                         'change-tyspecseq-double
                         'nil))