Get the iskew field from a vl-clocking-direction-head.
(vl-clocking-direction-head->iskew x) → iskew
This is an ordinary field accessor created by defprod.
Function:
(defun vl-clocking-direction-head->iskew$inline (x) (declare (xargs :guard (vl-clocking-direction-head-p x))) (declare (xargs :guard t)) (let ((__function__ 'vl-clocking-direction-head->iskew)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (vl-maybe-clkskew-fix (std::prod-car (std::prod-cdr (cdr x))))) :exec (std::prod-car (std::prod-cdr (cdr x))))))
Theorem:
(defthm vl-maybe-clkskew-p-of-vl-clocking-direction-head->iskew (b* ((iskew (vl-clocking-direction-head->iskew$inline x))) (vl-maybe-clkskew-p iskew)) :rule-classes :rewrite)
Theorem:
(defthm vl-clocking-direction-head->iskew$inline-of-vl-clocking-direction-head-fix-x (equal (vl-clocking-direction-head->iskew$inline (vl-clocking-direction-head-fix x)) (vl-clocking-direction-head->iskew$inline x)))
Theorem:
(defthm vl-clocking-direction-head->iskew$inline-vl-clocking-direction-head-equiv-congruence-on-x (implies (vl-clocking-direction-head-equiv x x-equiv) (equal (vl-clocking-direction-head->iskew$inline x) (vl-clocking-direction-head->iskew$inline x-equiv))) :rule-classes :congruence)