1 files changed, 5 insertions, 0 deletions
diff --git a/zix/common.h b/zix/common.h
index a7edf76..8ed0b0b 100644
--- a/zix/common.h
+++ b/zix/common.h
@@ -60,6 +60,11 @@ typedef int (*ZixComparator)(const void* a, const void* b, void* user_data);
    Function for testing equality of two elements.
 */
 typedef bool (*ZixEqualFunc)(const void* a, const void* b);
+
+/**
+   Function to destroy an element.
+*/
+typedef void (*ZixDestroyFunc)(const void* ptr);
    
 /**@}
 */