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Tterm-constant

Change-tterm-constant

Modifying constructor for tterm-constant structures.

Syntax

(change-tterm-constant x 
                       [:value <value>])

This is an often useful alternative to make-tterm-constant.

We construct a new tterm-constant 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-tterm-constant

(defmacro change-tterm-constant (x &rest args)
  (std::change-aggregate 'tterm-constant
                         x
                         args '((:value . tterm-constant->value))
                         'change-tterm-constant
                         'nil))