From 816e549d4c9656f3c0d5be5d0ef2afcc97931e77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomasz=20Drwi=C4=99ga?= <tomasz@ethcore.io>
Date: Tue, 1 Mar 2016 00:40:55 +0100
Subject: [PATCH] Changing implementation of is_empty to something more
 efficient

---
 util/src/table.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/src/table.rs b/util/src/table.rs
index dd42f847a..f04a498f8 100644
--- a/util/src/table.rs
+++ b/util/src/table.rs
@@ -52,7 +52,7 @@ impl<Row, Col, Val> Table<Row, Col, Val>
 
 	/// Check if there is any element in this Table
 	pub fn is_empty(&self) -> bool {
-		self.len() == 0
+		self.map.is_empty() || self.map.values().all(|v| v.is_empty())
 	}
 
 	/// Get mutable reference for single Table row.