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Stmt-for

Change-stmt-for

Modifying constructor for stmt-for structures.

Syntax

(change-stmt-for x 
                 [:init <init>] 
                 [:test <test>] 
                 [:next <next>] 
                 [:body <body>])

This is an often useful alternative to make-stmt-for.

We construct a new stmt-for 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-stmt-for

(defmacro change-stmt-for (x &rest args)
  (std::change-aggregate 'stmt-for
                         x args
                         '((:init . stmt-for->init)
                           (:test . stmt-for->test)
                           (:next . stmt-for->next)
                           (:body . stmt-for->body))
                         'change-stmt-for
                         'nil))