1 files changed, 3 insertions, 0 deletions
diff --git a/src/node.h b/src/node.h
index ed5a0c8f..93590bfa 100644
--- a/src/node.h
+++ b/src/node.h
@@ -54,6 +54,9 @@ void
 serd_node_set(SerdNode* ZIX_NONNULL* ZIX_NONNULL dst,
               const SerdNode* ZIX_NONNULL        src);
 
+ZIX_PURE_FUNC size_t
+serd_node_total_size(const SerdNode* ZIX_NULLABLE node);
+
 void
 serd_node_zero_pad(SerdNode* ZIX_NONNULL node);