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Topdecl-function

Topdecl-function->get

Get the get field from a topdecl-function.

Signature
(topdecl-function->get x) → get
Arguments: x — Guard (topdeclp x).
Returns: get — Type (fundeclp get).

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

Definitions and Theorems

Function: topdecl-function->get$inline

(defun topdecl-function->get$inline (x)
  (declare (xargs :guard (topdeclp x)))
  (declare (xargs :guard (equal (topdecl-kind x) :function)))
  (let ((__function__ 'topdecl-function->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (topdecl-kind x) :function)
                      x)))
           (fundecl-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: fundeclp-of-topdecl-function->get

(defthm fundeclp-of-topdecl-function->get
  (b* ((get (topdecl-function->get$inline x)))
    (fundeclp get))
  :rule-classes :rewrite)

Theorem: topdecl-function->get$inline-of-topdecl-fix-x

(defthm topdecl-function->get$inline-of-topdecl-fix-x
  (equal (topdecl-function->get$inline (topdecl-fix x))
         (topdecl-function->get$inline x)))

Theorem: topdecl-function->get$inline-topdecl-equiv-congruence-on-x

(defthm topdecl-function->get$inline-topdecl-equiv-congruence-on-x
  (implies (topdecl-equiv x x-equiv)
           (equal (topdecl-function->get$inline x)
                  (topdecl-function->get$inline x-equiv)))
  :rule-classes :congruence)

Theorem: topdecl-function->get-when-wrong-kind

(defthm topdecl-function->get-when-wrong-kind
  (implies (not (equal (topdecl-kind x) :function))
           (equal (topdecl-function->get x)
                  (fundecl-fix nil))))