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Pointer-valid

Make-pointer-valid

Basic constructor macro for pointer-valid structures.

Syntax

(make-pointer-valid [:get <get>])

This is the usual way to construct pointer-valid structures. It simply conses together a structure with the specified fields.

This macro generates a new pointer-valid structure from scratch. See also change-pointer-valid, which can "change" an existing structure, instead.

Definition

This is an ordinary make- macro introduced by fty::defprod.

Macro: make-pointer-valid

(defmacro make-pointer-valid (&rest args)
  (std::make-aggregate 'pointer-valid
                       args '((:get))
                       'make-pointer-valid
                       nil))

Function: pointer-valid

(defun pointer-valid (get)
  (declare (xargs :guard (objdesignp get)))
  (declare (xargs :guard t))
  (let ((__function__ 'pointer-valid))
    (declare (ignorable __function__))
    (b* ((get (mbe :logic (objdesign-fix get)
                   :exec get)))
      (cons :valid (list get)))))