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Swcase

Swcase->body

Get the body field from a swcase.

Signature
(swcase->body x) → body
Arguments: x — Guard (swcasep x).
Returns: body — Type (blockp body).

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

Definitions and Theorems

Function: swcase->body$inline

(defun swcase->body$inline (x)
  (declare (xargs :guard (swcasep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'swcase->body))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (block-fix (cdr (std::da-nth 1 (cdr x)))))
         :exec (cdr (std::da-nth 1 (cdr x))))))

Theorem: blockp-of-swcase->body

(defthm blockp-of-swcase->body
  (b* ((body (swcase->body$inline x)))
    (blockp body))
  :rule-classes :rewrite)

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

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

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

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