refactorng

core/handlers/rosterhandler.h

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef CORE_ROSTERHANDLER_H
-#define CORE_ROSTERHANDLER_H
+#pragma once
 
 #include <QObject>
 #include <QSet>
@@ -27,6 +26,7 @@
 #include <list>
 #include <map>
 #include <set>
+#include <optional>
 
 #include <QXmppBookmarkSet.h>
 #include <QXmppMucManager.h>
@@ -45,8 +45,7 @@ namespace Core {
     
 class Account;
     
-class RosterHandler : public QObject
-{
+class RosterHandler : public QObject {
     Q_OBJECT
 public:
     RosterHandler(Account* account);
@@ -119,5 +118,3 @@ private:
 };
 
 }
-
-#endif // CORE_ROSTERHANDLER_H