array: implement array_truncate

1 files changed, 2 insertions, 0 deletions

diff --git a/array.h b/array.h
index 21036a9..b369d68 100644
--- a/array.h
+++ b/array.h
@@ -56,5 +56,7 @@ bool array_remove(Array*, size_t idx);
 size_t array_length(Array*);
 /* return the number of elements which can be stored without enlarging the array */
 size_t array_capacity(Array*);
+/* remove all elements at index >= length, keep allocated memory */
+bool array_truncate(Array*, size_t length);
 
 #endif