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Atj-java-primitive-array-model

Char-array-length

Obtain the length of a Java char array.

Signature
(char-array-length array) → length
Arguments: array — Guard (char-arrayp array).
Returns: length — Type (int-valuep length).

Definitions and Theorems

Function: char-array-length

(defun char-array-length (array)
  (declare (xargs :guard (char-arrayp array)))
  (let ((__function__ 'char-array-length))
    (declare (ignorable __function__))
    (int-value (len (char-array->components array)))))

Theorem: int-valuep-of-char-array-length

(defthm int-valuep-of-char-array-length
  (b* ((length (char-array-length array)))
    (int-valuep length))
  :rule-classes :rewrite)