@@ -1,3 +1,6 @@
+#ifndef COMPONENTS_H
+#define COMPONENTS_H
+
#include "utils/HashMap.h"
#include "utils/List.h"
#include "utils/Types.h"
@@ -123,4 +126,6 @@ public:
EntityIteratorAdapter<const Components, const T> entities() const {
return {*this};
}
-};
+};
+#endif