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Matchresult

Matchresult->str

Get the str field from a matchresult.

Signature
(matchresult->str x) → str
Arguments: x — Guard (matchresult-p x).
Returns: str — Type (stringp str).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: matchresult->str$inline

(defun matchresult->str$inline (x)
  (declare (xargs :guard (matchresult-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'matchresult->str))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (acl2::str-fix (std::da-nth 2 x)))
         :exec (std::da-nth 2 x))))

Theorem: stringp-of-matchresult->str

(defthm stringp-of-matchresult->str
  (b* ((str (matchresult->str$inline x)))
    (stringp str))
  :rule-classes :type-prescription)

Theorem: matchresult->str$inline-of-matchresult-fix-x

(defthm matchresult->str$inline-of-matchresult-fix-x
  (equal (matchresult->str$inline (matchresult-fix x))
         (matchresult->str$inline x)))

Theorem: matchresult->str$inline-matchresult-equiv-congruence-on-x

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