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Fundef

Fundef->body

Get the body field from a fundef.

Signature
(fundef->body x) → body
Arguments: x — Guard (fundefp x).
Returns: body — Type (block-item-listp body).

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

Definitions and Theorems

Function: fundef->body$inline

(defun fundef->body$inline (x)
  (declare (xargs :guard (fundefp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'fundef->body))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (block-item-list-fix (cdr (std::da-nth 2 (cdr x)))))
         :exec (cdr (std::da-nth 2 (cdr x))))))

Theorem: block-item-listp-of-fundef->body

(defthm block-item-listp-of-fundef->body
  (b* ((body (fundef->body$inline x)))
    (block-item-listp body))
  :rule-classes :rewrite)

Theorem: fundef->body$inline-of-fundef-fix-x

(defthm fundef->body$inline-of-fundef-fix-x
  (equal (fundef->body$inline (fundef-fix x))
         (fundef->body$inline x)))

Theorem: fundef->body$inline-fundef-equiv-congruence-on-x

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