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Scratchobj-bfr

Scratchobj-bfr->val

Get the val field from a scratchobj-bfr.

Signature
(scratchobj-bfr->val x) → fty::x.name
Arguments: x — Guard (scratchobj-p x).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: scratchobj-bfr->val$inline

(defun scratchobj-bfr->val$inline (x)
  (declare (xargs :guard (scratchobj-p x)))
  (declare (xargs :guard (equal (scratchobj-kind x) :bfr)))
  (let ((__function__ 'scratchobj-bfr->val))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (scratchobj-kind x) :bfr)
                      x)))
           (cdr x))
         :exec (cdr x))))

Theorem: scratchobj-bfr->val$inline-of-scratchobj-fix-x

(defthm scratchobj-bfr->val$inline-of-scratchobj-fix-x
  (equal (scratchobj-bfr->val$inline (scratchobj-fix x))
         (scratchobj-bfr->val$inline x)))

Theorem: scratchobj-bfr->val$inline-scratchobj-equiv-congruence-on-x

(defthm scratchobj-bfr->val$inline-scratchobj-equiv-congruence-on-x
  (implies (scratchobj-equiv x x-equiv)
           (equal (scratchobj-bfr->val$inline x)
                  (scratchobj-bfr->val$inline x-equiv)))
  :rule-classes :congruence)

Theorem: scratchobj-bfr->val-when-wrong-kind

(defthm scratchobj-bfr->val-when-wrong-kind
  (implies (not (equal (scratchobj-kind x) :bfr))
           (equal (scratchobj-bfr->val x) nil)))