Get the decl field from a dirdeclor-array-star.
(dirdeclor-array-star->decl x) → decl
This is an ordinary field accessor created by fty::defprod.
Function:
(defun dirdeclor-array-star->decl$inline (x) (declare (xargs :guard (dirdeclorp x))) (declare (xargs :guard (equal (dirdeclor-kind x) :array-star))) (let ((__function__ 'dirdeclor-array-star->decl)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (dirdeclor-kind x) :array-star) x))) (dirdeclor-fix (std::da-nth 0 (cdr x)))) :exec (std::da-nth 0 (cdr x)))))
Theorem:
(defthm dirdeclorp-of-dirdeclor-array-star->decl (b* ((decl (dirdeclor-array-star->decl$inline x))) (dirdeclorp decl)) :rule-classes :rewrite)
Theorem:
(defthm dirdeclor-array-star->decl$inline-of-dirdeclor-fix-x (equal (dirdeclor-array-star->decl$inline (dirdeclor-fix x)) (dirdeclor-array-star->decl$inline x)))
Theorem:
(defthm dirdeclor-array-star->decl$inline-dirdeclor-equiv-congruence-on-x (implies (dirdeclor-equiv x x-equiv) (equal (dirdeclor-array-star->decl$inline x) (dirdeclor-array-star->decl$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm dirdeclor-array-star->decl-when-wrong-kind (implies (not (equal (dirdeclor-kind x) :array-star)) (equal (dirdeclor-array-star->decl x) (dirdeclor-fix nil))))