Get the type/arg field from a alignspec-alignas-ambig.
(alignspec-alignas-ambig->type/arg x) → type/arg
This is an ordinary field accessor created by fty::defprod.
Function:
(defun alignspec-alignas-ambig->type/arg$inline (x) (declare (xargs :guard (alignspecp x))) (declare (xargs :guard (equal (alignspec-kind x) :alignas-ambig))) (let ((__function__ 'alignspec-alignas-ambig->type/arg)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (alignspec-kind x) :alignas-ambig) x))) (amb-expr/tyname-fix (std::da-nth 0 (cdr x)))) :exec (std::da-nth 0 (cdr x)))))
Theorem:
(defthm amb-expr/tyname-p-of-alignspec-alignas-ambig->type/arg (b* ((type/arg (alignspec-alignas-ambig->type/arg$inline x))) (amb-expr/tyname-p type/arg)) :rule-classes :rewrite)
Theorem:
(defthm alignspec-alignas-ambig->type/arg$inline-of-alignspec-fix-x (equal (alignspec-alignas-ambig->type/arg$inline (alignspec-fix x)) (alignspec-alignas-ambig->type/arg$inline x)))
Theorem:
(defthm alignspec-alignas-ambig->type/arg$inline-alignspec-equiv-congruence-on-x (implies (alignspec-equiv x x-equiv) (equal (alignspec-alignas-ambig->type/arg$inline x) (alignspec-alignas-ambig->type/arg$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm alignspec-alignas-ambig->type/arg-when-wrong-kind (implies (not (equal (alignspec-kind x) :alignas-ambig)) (equal (alignspec-alignas-ambig->type/arg x) (amb-expr/tyname-fix nil))))