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Address

Address->unwrap

Get the unwrap field from a address.

Signature
(address->unwrap x) → unwrap
Arguments: x — Guard (addressp x).
Returns: unwrap — Type (any-p unwrap).

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

Definitions and Theorems

Function: address->unwrap$inline

(defun address->unwrap$inline (x)
  (declare (xargs :guard (addressp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'address->unwrap))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (identity (cdr (std::da-nth 0 x))))
         :exec (cdr (std::da-nth 0 x)))))

Theorem: any-p-of-address->unwrap

(defthm any-p-of-address->unwrap
  (b* ((unwrap (address->unwrap$inline x)))
    (any-p unwrap))
  :rule-classes :rewrite)

Theorem: address->unwrap$inline-of-address-fix-x

(defthm address->unwrap$inline-of-address-fix-x
  (equal (address->unwrap$inline (address-fix x))
         (address->unwrap$inline x)))

Theorem: address->unwrap$inline-address-equiv-congruence-on-x

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