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Expr-const-info

Change-expr-const-info

Modifying constructor for expr-const-info structures.

Syntax

(change-expr-const-info x 
                        [:type <type>])

This is an often useful alternative to make-expr-const-info.

We construct a new expr-const-info 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-expr-const-info

(defmacro change-expr-const-info (x &rest args)
  (std::change-aggregate 'expr-const-info
                         x
                         args '((:type . expr-const-info->type))
                         'change-expr-const-info
                         'nil))