Adds ifndef to headers

src/api/include/API.hpp

@@ -0,0 +1,6 @@
+#ifndef API_HPP
+#define API_HPP
+
+class API;
+
+#endif

src/cluster/include/Cluster.hpp

@@ -0,0 +1,11 @@
+#ifndef CLUSTER_HPP
+#define CLUSTER_HPP
+#include "Cluster.hpp"
+
+class Cluster
+{
+    public:
+    Cluster();
+};
+
+#endif

src/core/include/EventBus.hpp

@@ -1,6 +1,9 @@
+#ifndef EVENT_BUS_HPP
+#define EVENT_BUS_HPP
+
 class EventBus {
     public:
     EventBus();
 };
 
-
+#endif

src/core/src/main.cpp

@@ -1,13 +1,13 @@
 #include <iostream>
-//#include "resolver/Resolver.hpp"
+#include "Resolver.hpp"
 #include "EventBus.hpp"
 
 int main(int args, char **argv) {
     using std::cout;
     using std::endl;
 
-      EventBus eventBus();
+    EventBus eventBus();
-//    Resolver resolver();
+    Resolver resolver();
 
     cout << "Hello there!" << endl;
 

src/resolver/include/Resolver.hpp

@@ -1,3 +1,5 @@
+#ifndef RESOLVER_HPP
+#define RESOLVER_HPP
 #include "EventBus.hpp"
 
 class Resolver
@@ -5,3 +7,5 @@ class Resolver
     public:
     Resolver();
 };
+
+#endif

src/storage/include/Storage.hpp

@@ -0,0 +1,6 @@
+#ifndef STORAGE_HPP
+#define STORAGE_HPP
+
+
+
+#endif