update boost

linx64/include/boost/graph/property_maps/null_property_map.hpp

@@ -14,28 +14,31 @@
 
 namespace boost
 {
-    // A null property is somewhat like the inverse of the constant
-    // property map except that instead of returning a single value,
-    // this eats any writes and cannot be read from.
+// A null property is somewhat like the inverse of the constant
+// property map except that instead of returning a single value,
+// this eats any writes and cannot be read from.
 
-    template <typename Key, typename Value>
-    struct null_property_map
-    {
-        typedef Key key_type;
-        typedef Value value_type;
-        typedef void reference;
-        typedef boost::writable_property_map_tag category;
-    };
+template < typename Key, typename Value > struct null_property_map
+{
+    typedef Key key_type;
+    typedef Value value_type;
+    typedef void reference;
+    typedef boost::writable_property_map_tag category;
+};
 
-    // The null_property_map<K,V> only has a put() function.
-    template <typename K, typename V>
-    void put(null_property_map<K,V>& /*pm*/, const K& /*key*/, const V& /*value*/)
-    { }
+// The null_property_map<K,V> only has a put() function.
+template < typename K, typename V >
+void put(
+    null_property_map< K, V >& /*pm*/, const K& /*key*/, const V& /*value*/)
+{
+}
 
-    // A helper function for intantiating null property maps.
-    template <typename Key, typename Value>
-    inline null_property_map<Key, Value> make_null_property()
-    { return null_property_map<Key, Value>(); }
+// A helper function for intantiating null property maps.
+template < typename Key, typename Value >
+inline null_property_map< Key, Value > make_null_property()
+{
+    return null_property_map< Key, Value >();
+}
 }
 
 #endif