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Data-value-hex

Data-value-hex->get

Get the get field from a data-value-hex.

Signature
(data-value-hex->get x) → get
Arguments: x — Guard (data-value-p x).
Returns: get — Type (hex-stringp get).

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

Definitions and Theorems

Function: data-value-hex->get$inline

(defun data-value-hex->get$inline (x)
  (declare (xargs :guard (data-value-p x)))
  (declare (xargs :guard (equal (data-value-kind x) :hex)))
  (let ((__function__ 'data-value-hex->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (data-value-kind x) :hex)
                      x)))
           (hex-string-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: hex-stringp-of-data-value-hex->get

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

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

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

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

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

Theorem: data-value-hex->get-when-wrong-kind

(defthm data-value-hex->get-when-wrong-kind
  (implies (not (equal (data-value-kind x) :hex))
           (equal (data-value-hex->get x)
                  (hex-string-fix nil))))