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Value

Value->get

Get the get field from a value.

Signature
(value->get x) → get
Arguments: x — Guard (valuep x).
Returns: get — Type (ubyte256p get).

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

Definitions and Theorems

Function: value->get$inline

(defun value->get$inline (x)
  (declare (xargs :guard (valuep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'value->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (acl2::ubyte256-fix (cdr (std::da-nth 0 (cdr x)))))
         :exec (cdr (std::da-nth 0 (cdr x))))))

Theorem: ubyte256p-of-value->get

(defthm ubyte256p-of-value->get
  (b* ((get (value->get$inline x)))
    (ubyte256p get))
  :rule-classes :rewrite)

Theorem: value->get$inline-of-value-fix-x

(defthm value->get$inline-of-value-fix-x
  (equal (value->get$inline (value-fix x))
         (value->get$inline x)))

Theorem: value->get$inline-value-equiv-congruence-on-x

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