Initial commit - restart from existing code

lib/All/entt/test/common/registry.h

@@ -0,0 +1,32 @@
+#ifndef ENTT_COMMON_REGISTRY_H
+#define ENTT_COMMON_REGISTRY_H
+
+#include <entt/entity/registry.hpp>
+
+namespace test {
+
+template<typename Entity>
+struct custom_registry: private entt::basic_registry<Entity> {
+    using base_type = entt::basic_registry<Entity>;
+
+    template<typename, typename>
+    friend class entt::basic_sigh_mixin;
+
+    template<typename, typename>
+    friend class entt::basic_reactive_mixin;
+
+public:
+    using allocator_type = typename base_type::allocator_type;
+    using entity_type = typename base_type::entity_type;
+
+    using base_type::base_type;
+
+    using base_type::storage;
+    using base_type::create;
+    using base_type::emplace;
+    using base_type::insert;
+};
+
+} // namespace test
+
+#endif