Make the AddComponent function safe

include/entity.h

@@ -1,6 +1,7 @@
 #ifndef VOID_ENTITY_H
 #define VOID_ENTITY_H
 #include "component.h"
+#include <memory>
 #include <vector>
 
 class Entity {
@@ -15,7 +16,7 @@ public:
   void Destroy();
 
 private:
-  std::vector<Component> components;
+  std::vector<std::unique_ptr<Component>> components;
 };
 
 #include "../src/entity_i.cpp"

src/entity_i.cpp

@@ -2,8 +2,12 @@
 #ifndef VOID_ENTITY_H
 #include "../include/entity.h"
 #endif
+#include <memory>
+#include <utility>
+#include <vector>
 
 template <typename CompT, typename... Args>
 Component *Entity::AddComponent(Args &&...args) {
-  return components.emplace_back(std::forward<Args>(args)...);
+  components.push_back(std::make_unique(std::forward<Args>(args)...));
+  return components.back().get();
 }