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Stmt-for-decl

Change-stmt-for-decl

Modifying constructor for stmt-for-decl structures.

Syntax

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

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

We construct a new stmt-for-decl 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-decl

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