diff -r b2bc48c2b251 -r adb4e0737c33 src/cx/iterator.h
--- a/src/cx/iterator.h	Thu May 23 15:05:24 2024 +0200
+++ b/src/cx/iterator.h	Thu May 23 18:21:08 2024 +0200
@@ -274,6 +274,25 @@
 
 
 /**
+ * Creates a mutating iterator for the specified plain array.
+ *
+ * The \p array can be \c NULL in which case the iterator will be immediately
+ * initialized such that #cxIteratorValid() returns \c false.
+ *
+ *
+ * @param array a pointer to the array (can be \c NULL)
+ * @param elem_size the size of one array element
+ * @param elem_count the number of elements in the array
+ * @return an iterator for the specified array
+ */
+__attribute__((__warn_unused_result__))
+CxIterator cxIterator(
+        void const *array,
+        size_t elem_size,
+        size_t elem_count
+);
+
+/**
  * Creates an iterator for the specified plain array.
  *
  * While the iterator is in use, the array may only be altered by removing
@@ -297,7 +316,7 @@
  * @return an iterator for the specified array
  */
 __attribute__((__warn_unused_result__))
-CxMutIterator cxIterator(  // TODO: unify the iterator types
+CxMutIterator cxMutIterator(
         void *array,
         size_t elem_size,
         size_t elem_count,