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• Function

Function->params

Get the params field from a function.

Signature

(function->params x) → params

Arguments

x — Guard (functionp x).

Returns

params — Type (symbol-value-listp params).

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

Definitions and Theorems

Function: function->params$inline

(defun function->params$inline (x)
  (declare (xargs :guard (functionp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'function->params))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (symbol-value-list-fix (std::da-nth 1 x)))
         :exec (std::da-nth 1 x))))

Theorem: symbol-value-listp-of-function->params

(defthm symbol-value-listp-of-function->params
  (b* ((params (function->params$inline x)))
    (symbol-value-listp params))
  :rule-classes :rewrite)

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

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

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

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