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Initializer

Initializer->value

Get the value field from a initializer.

Signature
(initializer->value x) → value
Arguments: x — Guard (initializerp x).
Returns: value — Type (expressionp value).

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

Definitions and Theorems

Function: initializer->value$inline

(defun initializer->value$inline (x)
  (declare (xargs :guard (initializerp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'initializer->value))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (expression-fix (cdr (std::da-nth 1 x))))
         :exec (cdr (std::da-nth 1 x)))))

Theorem: expressionp-of-initializer->value

(defthm expressionp-of-initializer->value
  (b* ((value (initializer->value$inline x)))
    (expressionp value))
  :rule-classes :rewrite)

Theorem: initializer->value$inline-of-initializer-fix-x

(defthm initializer->value$inline-of-initializer-fix-x
  (equal (initializer->value$inline (initializer-fix x))
         (initializer->value$inline x)))

Theorem: initializer->value$inline-initializer-equiv-congruence-on-x

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