Correction: main() now int main()

src/class-member-variables.cpp

@@ -19,7 +19,7 @@ public:
 };
 
 
-main()
+int main()
 {
     cout << "Demonstration of class vs. member variables:\n";
     cout << "Without constructing an object we can call the static getter from the CD namespace:\n";
@@ -31,4 +31,5 @@ main()
     cout << "CD_Member: " << cd.getCDMember() << '\n';
     cout << "We can now also use the object to call the static getter (with the same effect):\n";
     cout << "CD_Class:  " << cd.getCDClass() << '\n';
+    return 0;
 }
\ No newline at end of file