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Vl-timeunit-lookup

Get the vl-timeunit-p corresponding to a time unit string like "us".

Signature

(vl-timeunit-lookup x) → unit

Arguments

x — Guard (stringp x).

Returns

unit — Type (equal (vl-timeunit-p unit) (if unit t nil)).

Definitions and Theorems

Function: vl-timeunit-lookup$inline

(defun vl-timeunit-lookup$inline (x)
  (declare (xargs :guard (stringp x)))
  (let ((__function__ 'vl-timeunit-lookup))
    (declare (ignorable __function__))
    (cdr (assoc-equal x
                      '(("s" . :vl-s)
                        ("ms" . :vl-ms)
                        ("us" . :vl-us)
                        ("ns" . :vl-ns)
                        ("ps" . :vl-ps)
                        ("fs" . :vl-fs))))))

Theorem: return-type-of-vl-timeunit-lookup

(defthm return-type-of-vl-timeunit-lookup
  (b* ((unit (vl-timeunit-lookup$inline x)))
    (equal (vl-timeunit-p unit)
           (if unit t nil)))
  :rule-classes :rewrite)