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Rlp-tree

Rlp-tree-kind

Get the kind (tag) of a rlp-tree structure.

Signature
(rlp-tree-kind x) → kind
Arguments: x — Guard (rlp-treep x).

Definitions and Theorems

Function: rlp-tree-kind$inline

(defun rlp-tree-kind$inline (x)
  (declare (xargs :guard (rlp-treep x)))
  (let ((__function__ 'rlp-tree-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :leaf)) :leaf)
                      (t :branch))
         :exec (car x))))

Theorem: rlp-tree-kind-possibilities

(defthm rlp-tree-kind-possibilities
  (or (equal (rlp-tree-kind x) :leaf)
      (equal (rlp-tree-kind x) :branch))
  :rule-classes
  ((:forward-chaining :trigger-terms ((rlp-tree-kind x)))))