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Compustate

Compustate->heap

Get the heap field from a compustate.

Signature
(compustate->heap x) → heap
Arguments: x — Guard (compustatep x).
Returns: heap — Type (heapp heap).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: compustate->heap$inline

(defun compustate->heap$inline (x)
  (declare (xargs :guard (compustatep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'compustate->heap))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (heap-fix (cdr (std::da-nth 2 x))))
         :exec (cdr (std::da-nth 2 x)))))

Theorem: heapp-of-compustate->heap

(defthm heapp-of-compustate->heap
  (b* ((heap (compustate->heap$inline x)))
    (heapp heap))
  :rule-classes :rewrite)

Theorem: compustate->heap$inline-of-compustate-fix-x

(defthm compustate->heap$inline-of-compustate-fix-x
  (equal (compustate->heap$inline (compustate-fix x))
         (compustate->heap$inline x)))

Theorem: compustate->heap$inline-compustate-equiv-congruence-on-x

(defthm compustate->heap$inline-compustate-equiv-congruence-on-x
  (implies (compustate-equiv x x-equiv)
           (equal (compustate->heap$inline x)
                  (compustate->heap$inline x-equiv)))
  :rule-classes :congruence)