Get the value field from a enumer.
(enumer->value x) → value
This is an ordinary field accessor created by fty::defprod.
Function:
(defun enumer->value$inline (x) (declare (xargs :guard (enumerp x))) (declare (xargs :guard t)) (let ((__function__ 'enumer->value)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (const-expr-option-fix (cdr (std::da-nth 1 x)))) :exec (cdr (std::da-nth 1 x)))))
Theorem:
(defthm const-expr-optionp-of-enumer->value (b* ((value (enumer->value$inline x))) (const-expr-optionp value)) :rule-classes :rewrite)
Theorem:
(defthm enumer->value$inline-of-enumer-fix-x (equal (enumer->value$inline (enumer-fix x)) (enumer->value$inline x)))
Theorem:
(defthm enumer->value$inline-enumer-equiv-congruence-on-x (implies (enumer-equiv x x-equiv) (equal (enumer->value$inline x) (enumer->value$inline x-equiv))) :rule-classes :congruence)