better with guard

Someware-fr · Nov 30, 2018 · 9a011e7 · 9a011e7
1 parent 70d752e
commit 9a011e7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ptime.h b/ptime.h
@@ -28,6 +28,8 @@ IRC #navitia on freenode
 www.navitia.io
 */
 
+#pragma once
+
 #include <boost/date_time/posix_time/posix_time.hpp>
 
 namespace navitia {