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System-result

System-result-kind

Get the kind (tag) of a system-result structure.

Signature
(system-result-kind acl2::x) → kind
Arguments: acl2::x — Guard (system-resultp acl2::x).

Definitions and Theorems

Function: system-result-kind$inline

(defun system-result-kind$inline (acl2::x)
  (declare (xargs :guard (system-resultp acl2::x)))
  (let ((__function__ 'system-result-kind))
    (declare (ignorable __function__))
    (cond ((systemp acl2::x) :ok)
          (t :err))))

Theorem: system-result-kind-possibilities

(defthm system-result-kind-possibilities
  (or (equal (system-result-kind acl2::x) :ok)
      (equal (system-result-kind acl2::x)
             :err))
  :rule-classes
  ((:forward-chaining
        :trigger-terms ((system-result-kind acl2::x)))))