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Branch-result

Branch-result-kind

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

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

Definitions and Theorems

Function: branch-result-kind$inline

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

Theorem: branch-result-kind-possibilities

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