Get the writer field from a defstruct-member-info.
(defstruct-member-info->writer x) → writer
This is an ordinary field accessor created by fty::defprod.
Function:
(defun defstruct-member-info->writer$inline (x) (declare (xargs :guard (defstruct-member-infop x))) (declare (xargs :guard t)) (let ((__function__ 'defstruct-member-info->writer)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and t x))) (symbol-fix (cdr (std::da-nth 3 x)))) :exec (cdr (std::da-nth 3 x)))))
Theorem:
(defthm symbolp-of-defstruct-member-info->writer (b* ((writer (defstruct-member-info->writer$inline x))) (symbolp writer)) :rule-classes :rewrite)
Theorem:
(defthm defstruct-member-info->writer$inline-of-defstruct-member-info-fix-x (equal (defstruct-member-info->writer$inline (defstruct-member-info-fix x)) (defstruct-member-info->writer$inline x)))
Theorem:
(defthm defstruct-member-info->writer$inline-defstruct-member-info-equiv-congruence-on-x (implies (defstruct-member-info-equiv x x-equiv) (equal (defstruct-member-info->writer$inline x) (defstruct-member-info->writer$inline x-equiv))) :rule-classes :congruence)