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Ident-sinfo-struct

Ident-sinfo-struct->get

Get the get field from a ident-sinfo-struct.

Signature
(ident-sinfo-struct->get x) → get
Arguments: x — Guard (ident-sinfop x).
Returns: get — Type (struct-sinfop get).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: ident-sinfo-struct->get$inline

(defun ident-sinfo-struct->get$inline (x)
  (declare (xargs :guard (ident-sinfop x)))
  (declare (xargs :guard (equal (ident-sinfo-kind x) :struct)))
  (let ((__function__ 'ident-sinfo-struct->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (ident-sinfo-kind x) :struct)
                      x)))
           (struct-sinfo-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: struct-sinfop-of-ident-sinfo-struct->get

(defthm struct-sinfop-of-ident-sinfo-struct->get
  (b* ((get (ident-sinfo-struct->get$inline x)))
    (struct-sinfop get))
  :rule-classes :rewrite)

Theorem: ident-sinfo-struct->get$inline-of-ident-sinfo-fix-x

(defthm ident-sinfo-struct->get$inline-of-ident-sinfo-fix-x
  (equal (ident-sinfo-struct->get$inline (ident-sinfo-fix x))
         (ident-sinfo-struct->get$inline x)))

Theorem: ident-sinfo-struct->get$inline-ident-sinfo-equiv-congruence-on-x

(defthm
   ident-sinfo-struct->get$inline-ident-sinfo-equiv-congruence-on-x
  (implies (ident-sinfo-equiv x x-equiv)
           (equal (ident-sinfo-struct->get$inline x)
                  (ident-sinfo-struct->get$inline x-equiv)))
  :rule-classes :congruence)

Theorem: ident-sinfo-struct->get-when-wrong-kind

(defthm ident-sinfo-struct->get-when-wrong-kind
  (implies (not (equal (ident-sinfo-kind x) :struct))
           (equal (ident-sinfo-struct->get x)
                  (struct-sinfo-fix nil))))