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Type-function

Change-type-function

Modifying constructor for type-function structures.

Syntax

(change-type-function x 
                      [:ret <ret>] 
                      [:params <params>])

This is an often useful alternative to make-type-function.

We construct a new type-function 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-type-function

(defmacro change-type-function (x &rest args)
  (std::change-aggregate 'type-function
                         x args
                         '((:ret . type-function->ret)
                           (:params . type-function->params))
                         'change-type-function
                         'remake-type-function))