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Symbol-nonterminal

Change-symbol-nonterminal

Modifying constructor for symbol-nonterminal structures.

Syntax

(change-symbol-nonterminal x 
                           [:get <get>])

This is an often useful alternative to make-symbol-nonterminal.

We construct a new symbol-nonterminal 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-symbol-nonterminal

(defmacro change-symbol-nonterminal (x &rest args)
  (std::change-aggregate 'symbol-nonterminal
                         x
                         args '((:get . symbol-nonterminal->get))
                         'change-symbol-nonterminal
                         'nil))