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Const

Const-kind

Get the kind (tag) of a const structure.

Signature
(const-kind x) → kind
Arguments: x — Guard (constp x).

Definitions and Theorems

Function: const-kind$inline

(defun const-kind$inline (x)
  (declare (xargs :guard (constp x)))
  (let ((__function__ 'const-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :int)) :int)
                      ((eq (car x) :float) :float)
                      ((eq (car x) :enum) :enum)
                      (t :char))
         :exec (car x))))

Theorem: const-kind-possibilities

(defthm const-kind-possibilities
  (or (equal (const-kind x) :int)
      (equal (const-kind x) :float)
      (equal (const-kind x) :enum)
      (equal (const-kind x) :char))
  :rule-classes
  ((:forward-chaining :trigger-terms ((const-kind x)))))