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Amb?-expr/tyname-expr

Change-amb?-expr/tyname-expr

Modifying constructor for amb?-expr/tyname-expr structures.

Syntax

(change-amb?-expr/tyname-expr x 
                              [:expr <expr>])

This is an often useful alternative to make-amb?-expr/tyname-expr.

We construct a new amb?-expr/tyname-expr 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-amb?-expr/tyname-expr

(defmacro change-amb?-expr/tyname-expr (x &rest args)
  (std::change-aggregate 'amb?-expr/tyname-expr
                         x args
                         '((:expr . amb?-expr/tyname-expr->expr))
                         'change-amb?-expr/tyname-expr
                         'remake-amb?-expr/tyname-expr))