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Pointed-integers

Slong-read

Representation of a read of a pointed type signed long.

Signature
(slong-read x) → x
Arguments: x — Guard (star (slongp x)).
Returns: x — Type (slongp x).

Definitions and Theorems

Function: slong-read

(defun slong-read (x)
  (declare (xargs :guard (star (slongp x))))
  (let ((__function__ 'slong-read))
    (declare (ignorable __function__))
    (slong-fix x)))

Theorem: slongp-of-slong-read

(defthm slongp-of-slong-read
  (b* ((x (slong-read x))) (slongp x))
  :rule-classes :rewrite)