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Vl-class

Vl-class->lifetime

Get the lifetime field from a vl-class.

Signature
(vl-class->lifetime x) → lifetime
Arguments: x — Guard (vl-class-p x).
Returns: lifetime — Type (vl-lifetime-p lifetime).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-class->lifetime$inline

(defun vl-class->lifetime$inline (x)
 (declare (xargs :guard (vl-class-p x)))
 (declare (xargs :guard t))
 (let ((__function__ 'vl-class->lifetime))
  (declare (ignorable __function__))
  (mbe
    :logic
    (b* ((x (and t x)))
      (vl-lifetime-fix
           (std::prod-car (std::prod-car (std::prod-cdr (cdr x))))))
    :exec (std::prod-car (std::prod-car (std::prod-cdr (cdr x)))))))

Theorem: vl-lifetime-p-of-vl-class->lifetime

(defthm vl-lifetime-p-of-vl-class->lifetime
  (b* ((lifetime (vl-class->lifetime$inline x)))
    (vl-lifetime-p lifetime))
  :rule-classes :rewrite)

Theorem: vl-class->lifetime$inline-of-vl-class-fix-x

(defthm vl-class->lifetime$inline-of-vl-class-fix-x
  (equal (vl-class->lifetime$inline (vl-class-fix x))
         (vl-class->lifetime$inline x)))

Theorem: vl-class->lifetime$inline-vl-class-equiv-congruence-on-x

(defthm vl-class->lifetime$inline-vl-class-equiv-congruence-on-x
  (implies (vl-class-equiv x x-equiv)
           (equal (vl-class->lifetime$inline x)
                  (vl-class->lifetime$inline x-equiv)))
  :rule-classes :congruence)