		Search-engine friendly clone of the ACL2 documentation.

Dirdeclor-function-params

Dirdeclor-function-params->params

Get the params field from a dirdeclor-function-params.

Signature
(dirdeclor-function-params->params x) → params
Arguments: x — Guard (dirdeclorp x).
Returns: params — Type (param-declon-listp params).

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

Definitions and Theorems

Function: dirdeclor-function-params->params$inline

(defun dirdeclor-function-params->params$inline (x)
  (declare (xargs :guard (dirdeclorp x)))
  (declare (xargs :guard (equal (dirdeclor-kind x)
                                :function-params)))
  (mbe :logic
       (b* ((x (and (equal (dirdeclor-kind x)
                           :function-params)
                    x)))
         (param-declon-list-fix (car (cdr (cdr x)))))
       :exec (car (cdr (cdr x)))))

Theorem: param-declon-listp-of-dirdeclor-function-params->params

(defthm param-declon-listp-of-dirdeclor-function-params->params
  (b* ((params (dirdeclor-function-params->params$inline x)))
    (param-declon-listp params))
  :rule-classes :rewrite)

Theorem: dirdeclor-function-params->params$inline-of-dirdeclor-fix-x

(defthm dirdeclor-function-params->params$inline-of-dirdeclor-fix-x
 (equal (dirdeclor-function-params->params$inline (dirdeclor-fix x))
        (dirdeclor-function-params->params$inline x)))

Theorem: dirdeclor-function-params->params$inline-dirdeclor-equiv-congruence-on-x

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

Theorem: dirdeclor-function-params->params-when-wrong-kind

(defthm dirdeclor-function-params->params-when-wrong-kind
  (implies (not (equal (dirdeclor-kind x)
                       :function-params))
           (equal (dirdeclor-function-params->params x)
                  (param-declon-list-fix nil))))