From cc953a0ac7f325f2f89d71e11468207ec8aedcb3 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Thu, 12 Feb 2015 15:40:44 +0100
Subject: [PATCH] remove warning in example, and improve output

---
 BGL/examples/BGL_surface_mesh/connected_components.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/BGL/examples/BGL_surface_mesh/connected_components.cpp b/BGL/examples/BGL_surface_mesh/connected_components.cpp
index 2f0084b8262..9923c25a44a 100644
--- a/BGL/examples/BGL_surface_mesh/connected_components.cpp
+++ b/BGL/examples/BGL_surface_mesh/connected_components.cpp
@@ -19,11 +19,12 @@ int main(int argc, char* argv[])
   in >> sm;
 
   Mesh::Property_map<vertex_descriptor,int> ccmap;
-  ccmap = sm.add_property_map<vertex_descriptor,int>("v:CC").first; 
-  int num = connected_components(sm, ccmap);
+  ccmap = sm.add_property_map<vertex_descriptor,int>("v:CC").first;
 
+  int num = connected_components(sm, ccmap);
+  std::cout  << num << " connected components" << std::endl;
   BOOST_FOREACH(vertex_descriptor v, vertices(sm)){
-    std::cout  << v << " is in component " << ccmap[v] << "\n";
+    std::cout  << v << " is in component " << ccmap[v] << std::endl;
   }
   
   return 0;