#ifndef SIMGRID_S4U_ENGINE_HPP
#define SIMGRID_S4U_ENGINE_HPP
-#include <string>
-#include <utility>
-#include <vector>
-
#include <xbt/base.h>
#include <xbt/functional.hpp>
#include <simgrid/s4u/NetZone.hpp>
+#include <string>
+#include <utility>
+#include <vector>
+
namespace simgrid {
namespace s4u {
/** @brief Simulation engine