From 23e68633dac026324c48573d21553e3ef508f261 Mon Sep 17 00:00:00 2001
From: Charles Dang <exodia339@gmail.com>
Date: Tue, 5 Sep 2017 06:03:48 +1100
Subject: [PATCH] Units/Map: added an empty() function

---
 src/units/map.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/units/map.hpp b/src/units/map.hpp
index a311bf81d7ad..3a136a6c525a 100644
--- a/src/units/map.hpp
+++ b/src/units/map.hpp
@@ -313,6 +313,8 @@ class unit_map {
 	size_t size() const { return lmap_.size(); }
 	size_t num_iters() const ;
 
+	bool empty() const { return lmap_.empty(); }
+
 	void clear(bool force = false);
 
 	/**