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• Rlp-error-non-optimal-short-length

Rlp-error-non-optimal-short-length->fragment

Get the fragment field from a rlp-error-non-optimal-short-length.

Signature

(rlp-error-non-optimal-short-length->fragment x) → fragment

Arguments

x — Guard (rlp-error-p x).

Returns

fragment — Type (byte-listp fragment).

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

Definitions and Theorems

Function: rlp-error-non-optimal-short-length->fragment$inline

(defun rlp-error-non-optimal-short-length->fragment$inline (x)
 (declare (xargs :guard (rlp-error-p x)))
 (declare (xargs :guard (equal (rlp-error-kind x)
                               :non-optimal-short-length)))
 (let ((__function__ 'rlp-error-non-optimal-short-length->fragment))
   (declare (ignorable __function__))
   (mbe :logic
        (b* ((x (and (equal (rlp-error-kind x)
                            :non-optimal-short-length)
                     x)))
          (byte-list-fix (std::da-nth 0 (cdr x))))
        :exec (std::da-nth 0 (cdr x)))))

Theorem: byte-listp-of-rlp-error-non-optimal-short-length->fragment

(defthm byte-listp-of-rlp-error-non-optimal-short-length->fragment
 (b* ((fragment
           (rlp-error-non-optimal-short-length->fragment$inline x)))
   (byte-listp fragment))
 :rule-classes :rewrite)

Theorem: rlp-error-non-optimal-short-length->fragment$inline-of-rlp-error-fix-x

(defthm
 rlp-error-non-optimal-short-length->fragment$inline-of-rlp-error-fix-x
 (equal (rlp-error-non-optimal-short-length->fragment$inline
             (rlp-error-fix x))
        (rlp-error-non-optimal-short-length->fragment$inline x)))

Theorem: rlp-error-non-optimal-short-length->fragment$inline-rlp-error-equiv-congruence-on-x

(defthm
 rlp-error-non-optimal-short-length->fragment$inline-rlp-error-equiv-congruence-on-x
 (implies
  (rlp-error-equiv x x-equiv)
  (equal
     (rlp-error-non-optimal-short-length->fragment$inline x)
     (rlp-error-non-optimal-short-length->fragment$inline x-equiv)))
 :rule-classes :congruence)

Theorem: rlp-error-non-optimal-short-length->fragment-when-wrong-kind

(defthm rlp-error-non-optimal-short-length->fragment-when-wrong-kind
  (implies (not (equal (rlp-error-kind x)
                       :non-optimal-short-length))
           (equal (rlp-error-non-optimal-short-length->fragment x)
                  (byte-list-fix nil))))