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Pointed-integers

Ulong-read

Representation of a read of a pointed type unsigned long.

Signature
(ulong-read x) → x
Arguments: x — Guard (star (ulongp x)).
Returns: x — Type (ulongp x).

Definitions and Theorems

Function: ulong-read

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

Theorem: ulongp-of-ulong-read

(defthm ulongp-of-ulong-read
  (b* ((x (ulong-read x))) (ulongp x))
  :rule-classes :rewrite)