diff -r d50b5dc1e058 -r af5bf4603a5d src/cx/list.h
--- a/src/cx/list.h	Sun Mar 05 10:55:32 2023 +0100
+++ b/src/cx/list.h	Tue Mar 14 20:25:24 2023 +0100
@@ -164,6 +164,11 @@
     );
 
     /**
+     * Member function for removing all elements.
+     */
+    void (*clear)(struct cx_list_s *list);
+
+    /**
      * Member function for swapping two elements.
      */
     int (*swap)(
@@ -222,6 +227,21 @@
 typedef struct cx_list_s CxList;
 
 /**
+ * Invokes the destructor function for a specific element.
+ *
+ * Usually only used by list implementations. There should be no need
+ * to invoke this function manually.
+ *
+ * @param list the list
+ * @param elem the element
+ */
+__attribute__((__nonnull__))
+void cx_list_invoke_destructor(
+        struct cx_list_s const *list,
+        void *elem
+);
+
+/**
  * Advises the list to store copies of the objects (default mode of operation).
  *
  * Retrieving objects from this list will yield pointers to the copies stored
@@ -398,6 +418,10 @@
 
 /**
  * Removes the element at the specified index.
+ *
+ * If an element destructor function is specified, it is called before
+ * removing the element.
+ *
  * @param list the list
  * @param index the index of the element
  * @return zero on success, non-zero if the index is out of bounds
@@ -411,6 +435,19 @@
 }
 
 /**
+ * Removes all elements from this list.
+ *
+ * If an element destructor function is specified, it is called for each
+ * element before removing them.
+ *
+ * @param list the list
+ */
+__attribute__((__nonnull__))
+static inline void cxListClear(CxList *list) {
+    list->cl->clear(list);
+}
+
+/**
  * Swaps two items in the list.
  *
  * Implementations should only allocate temporary memory for the swap, if