From f24ec04340d8bb816ae95939f14193a15959a09f Mon Sep 17 00:00:00 2001
From: NikVolf <nikvolf@gmail.com>
Date: Fri, 11 Oct 2019 09:00:47 +0300
Subject: [PATCH] add is_empty

---
 src/tree.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tree.rs b/src/tree.rs
index 1d3db06..d1d1d6f 100644
--- a/src/tree.rs
+++ b/src/tree.rs
@@ -289,6 +289,10 @@ impl Tree {
     pub fn root_node(&self) -> Result<IndexedNode, Error> {
         self.resolve_link(self.root)
     }
+
+    pub fn is_empty(&self) -> bool {
+        self.stored_count == 0
+    }
 }
 
 /// Reference to the node with link attached.