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Error

Error->info

Get the info field from a error.

Signature
(error->info x) → info
Arguments: x — Guard (errorp x).
Returns: info — Type (acl2::any-p info).

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

Definitions and Theorems

Function: error->info$inline

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

Theorem: any-p-of-error->info

(defthm any-p-of-error->info
  (b* ((info (error->info$inline x)))
    (acl2::any-p info))
  :rule-classes :rewrite)

Theorem: error->info$inline-of-error-fix-x

(defthm error->info$inline-of-error-fix-x
  (equal (error->info$inline (error-fix x))
         (error->info$inline x)))

Theorem: error->info$inline-error-equiv-congruence-on-x

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