diff --git a/Objects/applications/GUI.cpp b/Objects/applications/GUI.cpp
index dd04199..b03e017 100644
--- a/Objects/applications/GUI.cpp
+++ b/Objects/applications/GUI.cpp
@@ -135,7 +135,7 @@ obj::Object* imgui_object_create_menu(obj::TypeGroups* type_group = nullptr) {
 			if (childo->key == "null") {
 				newo = NDO_NULL;
 			} else {
-				newo = obj::NDO->create(childo->key);
+				newo = objects_api::createByName(childo->key.c_str());
 			}
 		}
 	}
diff --git a/Objects/applications/GUIEntry.cpp b/Objects/applications/GUIEntry.cpp
index ad52ec7..5b0c4e8 100644
--- a/Objects/applications/GUIEntry.cpp
+++ b/Objects/applications/GUIEntry.cpp
@@ -8,12 +8,9 @@ using namespace obj;
 
 class ExampleGUI : public Application {
 public:
-	ExampleGUI() {
-		gui.cd(NDO->create("dict"), "root");
-	}
+	ExampleGUI() { gui.cd(objects_api::create<DictObject>(), "root"); }
 
-	void processFrame(EventHandler* eventHandler) override {
-	}
+	void processFrame(EventHandler* eventHandler) override {}
 
 	void drawFrame(Canvas* canvas) override {
 		canvas->rect({ { 0, 0 }, mWindow->getSize() }, RGBA(0.f, 0.f, 0.f, 1.f), 0);
diff --git a/Objects/private/compiler/Functions.cpp b/Objects/private/compiler/Functions.cpp
index 11a85d3..d5df6ee 100644
--- a/Objects/private/compiler/Functions.cpp
+++ b/Objects/private/compiler/Functions.cpp
@@ -127,7 +127,7 @@ void FunctionDefinition::EvalStatement(Statement* stm) {
 				mLocals.put(func.mFunctionId, mConstants.get(func.mFunctionId));
 
 				// create and register const func object
-				auto function_obj = objects_api::cast<MethodObject>(NDO->create("method"));
+				auto function_obj = objects_api::create<MethodObject>();
 				auto method_const_obj = mConstants.addMethod(func.mFunctionId, function_obj);
 
 				for (auto child_stm : stm_func_def->mStatements->mStatements) {
@@ -155,7 +155,7 @@ void FunctionDefinition::EvalStatement(Statement* stm) {
 				mLocals.put(func.mFunctionId, mConstants.get(func.mFunctionId));
 
 				// create and register const func object
-				auto function_obj = objects_api::cast<MethodObject>(NDO->create("method"));
+				auto function_obj = objects_api::create<MethodObject>();
 				auto method_const_obj = mConstants.addMethod(func.mFunctionId, function_obj);
 
 				// compile function
diff --git a/Objects/private/core/Object.cpp b/Objects/private/core/Object.cpp
index 010d5ab..2646fcb 100644
--- a/Objects/private/core/Object.cpp
+++ b/Objects/private/core/Object.cpp
@@ -51,10 +51,8 @@ void objects_api::define(ObjectType* type) {
 	type->type_methods.init();
 }
 
-Object* objects_api::create(const std::string& name) {
-	MODULE_SANITY_CHECK(gModuleObjects)
-
-	const ObjectType* type = types.get(name);
+Object* objects_api::create(const ObjectType* type) {
+	ASSERT(type);
 
 	Object* obj_instance = ObjectMemAllocate(type);
 
@@ -108,7 +106,7 @@ bool objects_api::compare(Object* first, Object* second) {
 }
 
 Object* objects_api::instantiate(Object* in) {
-	obj::Object* obj = NDO->create(in->type->name);
+	obj::Object* obj = objects_api::createByName(in->type->name);
 	tp::obj::objects_api::copy(obj, in);
 	return obj;
 }
@@ -162,8 +160,8 @@ void objects_api::destroy(Object* in) const {
 		return;
 	}
 
-	if (in->refc > 1) {
-		in->refc--;
+	if (in->references > 1) {
+		in->references--;
 		return;
 	}
 
diff --git a/Objects/private/core/ObjectSave.cpp b/Objects/private/core/ObjectSave.cpp
index b6a9999..27c64aa 100644
--- a/Objects/private/core/ObjectSave.cpp
+++ b/Objects/private/core/ObjectSave.cpp
@@ -23,7 +23,7 @@ Object* ObjectMemAllocate(const ObjectType* type) {
 	object->down = nullptr;
 	object->flags = 0;
 
-	object->refc = (alni) 1;
+	object->references = (alni) 1;
 
 	if (bottom) {
 		bottom->down = object;
@@ -69,7 +69,7 @@ void obj::assertNoLeaks() {
 		printf("ERROR : not all objects are destroyed\n");
 		ualni idx = 0;
 		for (Object* object = bottom; object; object = object->up) {
-			printf(" ===== Object - %llu. Ref count - %lli ===== \n", idx, object->refc);
+			printf(" ===== Object - %llu. Ref count - %lli ===== \n", idx, object->references);
 			logTypeData(object->type);
 			idx++;
 		}
diff --git a/Objects/private/interpreter/Interpreter.cpp b/Objects/private/interpreter/Interpreter.cpp
index 52b86f4..f0380b0 100644
--- a/Objects/private/interpreter/Interpreter.cpp
+++ b/Objects/private/interpreter/Interpreter.cpp
@@ -52,7 +52,7 @@ void Interpreter::exec(
 	}
 }
 
-bool Interpreter::finished() { return !mCallStack.len(); }
+bool Interpreter::finished() const { return !mCallStack.len(); }
 
 void Interpreter::stepBytecode() {
 	halni call_depth = mCallStack.len();
@@ -236,7 +236,7 @@ void Interpreter::stepBytecodeIn() {
 			{
 				auto type = mOperandsStack.getOperand<StringObject>();
 				auto id = mOperandsStack.getOperand<StringObject>();
-				mScopeStack.addLocal(NDO->create(type->val), id->val);
+				mScopeStack.addLocal(objects_api::createByName(type->val.c_str()), id->val);
 				break;
 			}
 
@@ -253,12 +253,11 @@ void Interpreter::stepBytecodeIn() {
 		case OpCode::OBJ_CREATE:
 			{
 				auto type = mOperandsStack.getOperand<StringObject>();
-				Object* new_obj = nullptr;
 
 				// basic types
 				auto idx = NDO->types.presents(type->val);
 				if (idx) {
-					auto new_obj = NDO->create(type->val);
+					Object* new_obj = objects_api::createByName(type->val.c_str());
 
 					mOperandsStack.push(new_obj);
 					mScopeStack.addTemp(new_obj);
@@ -286,7 +285,7 @@ void Interpreter::stepBytecodeIn() {
 
 		case OpCode::CLASS_CONSTRUCT:
 			{
-				auto class_obj = (ClassObject*) NDO->create("class");
+				auto class_obj = NDO->create<ClassObject>();
 
 				for (auto local : mScopeStack.getCurrentScope()->mLocals) {
 					class_obj->addMember(local->val, local->key);
diff --git a/Objects/private/primitives/BoolObject.cpp b/Objects/private/primitives/BoolObject.cpp
index 482a1b6..f8ba824 100644
--- a/Objects/private/primitives/BoolObject.cpp
+++ b/Objects/private/primitives/BoolObject.cpp
@@ -10,7 +10,7 @@ void BoolObject::constructor(BoolObject* self) { self->val = false; }
 void BoolObject::copy(BoolObject* self, const BoolObject* in) { self->val = in->val; }
 
 BoolObject* BoolObject::create(bool in) {
-	auto out = objects_api::cast<BoolObject>(NDO->create("bool"));
+	auto out = objects_api::create<BoolObject>();
 	out->val = alni(in);
 	return out;
 }
diff --git a/Objects/private/primitives/ClassObject.cpp b/Objects/private/primitives/ClassObject.cpp
index 5c2eed8..006cf61 100644
--- a/Objects/private/primitives/ClassObject.cpp
+++ b/Objects/private/primitives/ClassObject.cpp
@@ -7,14 +7,14 @@ using namespace tp;
 using namespace obj;
 
 void ClassObject::constructor(ClassObject* self) {
-	self->members = objects_api::cast<DictObject>(NDO->create("dict"));
+	self->members = objects_api::create<DictObject>();
 
 	self->addMember(NDO_NULL, "__init__");
 	self->addMember(NDO_NULL, "__del__");
 }
 
 void ClassObject::copy(ClassObject* self, const ClassObject* blueprint) {
-	NDO->copy(self->members, blueprint->members);
+	objects_api::copy(self->members, blueprint->members);
 }
 
 void ClassObject::destructor(ClassObject* self) { NDO->destroy(self->members); }
@@ -22,24 +22,24 @@ void ClassObject::destructor(ClassObject* self) { NDO->destroy(self->members); }
 void ClassObject::addMember(Object* obj, const std::string& id) { members->put(id, obj); }
 
 void ClassObject::createMember(const std::string& type, const std::string& id) {
-	auto newo = NDO->create(type);
+	auto newo = tp::obj::objects_api::createByName(type.c_str());
 	members->put(id, newo);
 }
 
 alni ClassObject::save_size(ClassObject* self) {
-	return sizeof(alni); // dict object adress
+	return sizeof(alni); // dict object address
 }
 
 void ClassObject::save(ClassObject* self, ArchiverOut& file_self) {
-	// save dictobject
+	// save dict object
 	alni ndo_object_adress = NDO->save(file_self, self->members);
 	file_self << ndo_object_adress;
 }
 
 void ClassObject::load(ArchiverIn& file_self, ClassObject* self) {
-	alni ndo_object_adress;
-	file_self >> ndo_object_adress;
-	self->members = objects_api::cast<DictObject>(NDO->load(file_self, ndo_object_adress));
+	alni ndo_object_address;
+	file_self >> ndo_object_address;
+	self->members = objects_api::cast<DictObject>(NDO->load(file_self, ndo_object_address));
 	tp::obj::objects_api::increaseReferenceCount(self->members);
 }
 
@@ -57,16 +57,17 @@ alni allocated_size_recursive(ClassObject* self) {
 	return out;
 }
 
-struct ObjectType ClassObject::TypeData = { .base = nullptr,
-																						.constructor = (object_constructor) ClassObject::constructor,
-																						.destructor = (object_destructor) ClassObject::destructor,
-																						.copy = (object_copy) ClassObject::copy,
-																						.size = sizeof(ClassObject),
-																						.name = "class",
-																						.save_size = (object_save_size) save_size,
-																						.save = (object_save) save,
-																						.load = (object_load) load,
-																						.childs_retrival = (object_debug_all_childs_retrival) childs_retrival,
-																						.allocated_size = (object_allocated_size) allocated_size,
-																						.allocated_size_recursive =
-																							(object_allocated_size_recursive) allocated_size_recursive };
+struct ObjectType ClassObject::TypeData = {
+	.base = nullptr,
+	.constructor = (object_constructor) ClassObject::constructor,
+	.destructor = (object_destructor) ClassObject::destructor,
+	.copy = (object_copy) ClassObject::copy,
+	.size = sizeof(ClassObject),
+	.name = "class",
+	.save_size = (object_save_size) save_size,
+	.save = (object_save) save,
+	.load = (object_load) load,
+	.childs_retrival = (object_debug_all_childs_retrival) childs_retrival,
+	.allocated_size = (object_allocated_size) allocated_size,
+	.allocated_size_recursive = (object_allocated_size_recursive) allocated_size_recursive,
+};
diff --git a/Objects/private/primitives/ColorObject.cpp b/Objects/private/primitives/ColorObject.cpp
index 44c1abc..aa4bbc3 100644
--- a/Objects/private/primitives/ColorObject.cpp
+++ b/Objects/private/primitives/ColorObject.cpp
@@ -9,7 +9,7 @@ void ColorObject::constructor(ColorObject* self) { self->mCol = tp::RGBA(1.f); }
 void ColorObject::copy(ColorObject* self, const ColorObject* in) { self->mCol = in->mCol; }
 
 ColorObject* ColorObject::create(tp::RGBA in) {
-	auto out = objects_api::cast<ColorObject>(NDO->create("RGBA"));
+	auto out = objects_api::create<ColorObject>();
 	out->mCol = in;
 	return out;
 }
diff --git a/Objects/private/primitives/EnumObject.cpp b/Objects/private/primitives/EnumObject.cpp
index a11bf3a..a7921cd 100644
--- a/Objects/private/primitives/EnumObject.cpp
+++ b/Objects/private/primitives/EnumObject.cpp
@@ -139,7 +139,7 @@ bool obj::EnumObject::compare(EnumObject* first, EnumObject* second) {
 }
 
 EnumObject* obj::EnumObject::create(tp::InitialierList<const char*> list) {
-	auto enum_object = (EnumObject*) obj::NDO->create("enum");
+	auto enum_object = objects_api::create<EnumObject>();
 	enum_object->init(list);
 	return enum_object;
 }
diff --git a/Objects/private/primitives/FloatObject.cpp b/Objects/private/primitives/FloatObject.cpp
index d14dce6..2ac6f55 100644
--- a/Objects/private/primitives/FloatObject.cpp
+++ b/Objects/private/primitives/FloatObject.cpp
@@ -8,7 +8,7 @@ void FloatObject::constructor(FloatObject* self) { self->val = 0; }
 void FloatObject::copy(FloatObject* self, const FloatObject* in) { self->val = in->val; }
 
 FloatObject* FloatObject::create(alnf in) {
-	auto out = objects_api::cast<FloatObject>(NDO->create("float"));
+	auto out = objects_api::create<FloatObject>();
 	out->val = alnf(in);
 	return out;
 }
diff --git a/Objects/private/primitives/IntObject.cpp b/Objects/private/primitives/IntObject.cpp
index 42c3c3c..2d94822 100644
--- a/Objects/private/primitives/IntObject.cpp
+++ b/Objects/private/primitives/IntObject.cpp
@@ -9,7 +9,7 @@ void IntObject::constructor(IntObject* self) { self->val = 0; }
 void IntObject::copy(IntObject* self, const IntObject* in) { self->val = in->val; }
 
 IntObject* IntObject::create(alni in) {
-	auto out = objects_api::cast<IntObject>(NDO->create("int"));
+	auto out = objects_api::create<IntObject>();
 	out->val = in;
 	return out;
 }
diff --git a/Objects/private/primitives/LinkObject.cpp b/Objects/private/primitives/LinkObject.cpp
index ac2739f..8eb361f 100644
--- a/Objects/private/primitives/LinkObject.cpp
+++ b/Objects/private/primitives/LinkObject.cpp
@@ -13,7 +13,7 @@ void LinkObject::destructor(LinkObject* self) {
 void LinkObject::copy(LinkObject* self, const LinkObject* in) { self->setLink(in->link); }
 
 LinkObject* LinkObject::create(Object* in) {
-	auto out = objects_api::cast<LinkObject>(NDO->create("link"));
+	auto out = objects_api::create<LinkObject>();
 	return out;
 }
 
diff --git a/Objects/private/primitives/MethodObject.cpp b/Objects/private/primitives/MethodObject.cpp
index 4f2f971..646c824 100644
--- a/Objects/private/primitives/MethodObject.cpp
+++ b/Objects/private/primitives/MethodObject.cpp
@@ -60,7 +60,7 @@ void MethodObject::UnInitialize() { obj::ScriptSection::uninitialize(); }
 void MethodObject::compile() { Compile(this); }
 
 MethodObject* MethodObject::create(const std::string& script) {
-	auto out = (MethodObject*) NDO->create(MethodObject::TypeData.name);
+	auto out = objects_api::create<MethodObject>();
 	out->mScript->mReadable->val = script;
 	out->compile();
 	return out;
diff --git a/Objects/private/primitives/Stringobject.cpp b/Objects/private/primitives/Stringobject.cpp
index 123d51b..f080727 100644
--- a/Objects/private/primitives/Stringobject.cpp
+++ b/Objects/private/primitives/Stringobject.cpp
@@ -12,7 +12,7 @@ void StringObject::destructor(StringObject* self) { self->val.~basic_string(); }
 void StringObject::copy(StringObject* self, const StringObject* in) { self->val = in->val; }
 
 StringObject* StringObject::create(const std::string& in) {
-	auto out = objects_api::cast<StringObject>(NDO->create("str"));
+	auto out = objects_api::create<StringObject>();
 	out->val = in;
 	return out;
 }
diff --git a/Objects/private/primitives/TypeObject.cpp b/Objects/private/primitives/TypeObject.cpp
index 45b6482..0d58fbe 100644
--- a/Objects/private/primitives/TypeObject.cpp
+++ b/Objects/private/primitives/TypeObject.cpp
@@ -6,7 +6,7 @@ using namespace tp;
 using namespace obj;
 
 TypeObject* TypeObject::create(const ObjectType* type) {
-	auto out = objects_api::cast<TypeObject>(NDO->create("typeobject"));
+	auto out = objects_api::create<TypeObject>();
 	out->mTypeRef = type;
 	return out;
 }
diff --git a/Objects/public/core/Object.hpp b/Objects/public/core/Object.hpp
index d6675ed..0b0978c 100644
--- a/Objects/public/core/Object.hpp
+++ b/Objects/public/core/Object.hpp
@@ -29,13 +29,20 @@ namespace tp::obj {
 
 	extern struct objects_api* NDO;
 
+	// base object
 	struct Object {
+		// TODO : used for saving, can be removed
 		Object* up;
 		Object* down;
 		alni flags;
-		alni refc;
 
+		// reference counting for memory management
+		alni references;
+
+		// type information
 		const struct ObjectType* type;
+
+		// additional inherited data
 	};
 
 	typedef void (*object_from_int)(Object* self, alni in);
@@ -127,7 +134,6 @@ namespace tp::obj {
 		~objects_api();
 
 		void define(ObjectType* type);
-		Object* create(const std::string& name);
 		static Object* copy(Object* self, const Object* in);
 		static bool compare(Object* first, Object* second);
 		static Object* instantiate(Object*);
@@ -144,11 +150,11 @@ namespace tp::obj {
 
 		void destroy(Object* in) const;
 
-		static inline void increaseReferenceCount(Object* in) { in->refc++; }
-		static inline alni getReferenceCount(Object* in) { return in->refc; }
+		static inline void increaseReferenceCount(Object* in) { in->references++; }
+		static inline alni getReferenceCount(Object* in) { return in->references; }
 
 	private:
-		static inline void setReferenceCount(Object* in, halni count) { in->refc = count; }
+		static inline void setReferenceCount(Object* in, halni count) { in->references = count; }
 
 	public:
 		save_load_callbacks* sl_callbacks[SAVE_LOAD_MAX_CALLBACK_SLOTS]{};
@@ -179,14 +185,18 @@ namespace tp::obj {
 			}
 			return nullptr;
 		}
+
+		Object* create(const ObjectType* type);
+
+		template <typename tObjectType>
+		static tObjectType* create() {
+			return (tObjectType*) NDO->create(&tObjectType::TypeData);
+		}
+
+		static Object* createByName(const char* name) { return NDO->create(NDO->types.get(name)); }
 	};
 
 	void logTypeData(const ObjectType* type);
 	void assertNoLeaks();
 	ualni getObjCount();
-
-	template <typename Type>
-	Type* create() {
-		return (Type*) NDO->create(Type::TypeData.name);
-	}
 }
\ No newline at end of file
diff --git a/Objects/public/interpreter/Interpreter.hpp b/Objects/public/interpreter/Interpreter.hpp
index 98fad8c..ff0c0bb 100644
--- a/Objects/public/interpreter/Interpreter.hpp
+++ b/Objects/public/interpreter/Interpreter.hpp
@@ -14,16 +14,29 @@ namespace tp::obj {
 		bool mIsTypeMethod = false;
 		const TypeMethod* mTypeMethod = nullptr;
 
-		typedef struct { Object* obj; std::string id; } GlobalDef;
+		typedef struct {
+			Object* obj;
+			std::string id;
+		} GlobalDef;
 
-		void exec(MethodObject* method, ClassObject* self = nullptr, DictObject* globals = nullptr, InitialierList<GlobalDef> globals2 = {});
+		void exec(
+			MethodObject* method,
+			ClassObject* self = nullptr,
+			DictObject* globals = nullptr,
+			InitialierList<GlobalDef> globals2 = {}
+		);
 
 		void stepBytecode();
 		void stepBytecodeIn();
 		void stepBytecodeOut();
 
-		bool finished();
+		bool finished() const;
 
-		void execAll(MethodObject* method, ClassObject* self = nullptr, DictObject* globals = nullptr, InitialierList<GlobalDef> globals2 = {});
+		void execAll(
+			MethodObject* method,
+			ClassObject* self = nullptr,
+			DictObject* globals = nullptr,
+			InitialierList<GlobalDef> globals2 = {}
+		);
 	};
 }
\ No newline at end of file
diff --git a/Objects/public/primitives/NullObject.hpp b/Objects/public/primitives/NullObject.hpp
index b6e4d55..51297e5 100644
--- a/Objects/public/primitives/NullObject.hpp
+++ b/Objects/public/primitives/NullObject.hpp
@@ -8,13 +8,14 @@ namespace tp::obj {
 	extern struct NullObject* NdoNull_globalInstance;
 
 	struct NullObject : Object {
+		static ObjectType TypeData;
 
 		static void destructor(Object* self);
-		static ObjectType TypeData;
+
 		static void uninit();
 		static Object* null_return() {
 			if (!NdoNull_globalInstance) {
-				NdoNull_globalInstance = (NullObject*) NDO->create("null");
+				NdoNull_globalInstance = NDO->create<NullObject>();
 				NDO->increaseReferenceCount(NdoNull_globalInstance);
 			}
 			return (Object*) NdoNull_globalInstance;
@@ -26,7 +27,7 @@ namespace tp::obj {
 		}
 	};
 
-	#define NDO_NULL NullObject::null_return()
-	#define NDO_NULL_REF NullObject::null_return_ref()
+#define NDO_NULL NullObject::null_return()
+#define NDO_NULL_REF NullObject::null_return_ref()
 
 }
\ No newline at end of file
diff --git a/Objects/tests/TestCompiler.cpp b/Objects/tests/TestCompiler.cpp
index 10a6b0a..232e417 100644
--- a/Objects/tests/TestCompiler.cpp
+++ b/Objects/tests/TestCompiler.cpp
@@ -18,7 +18,7 @@ SUITE(Compiler) {
 
 		{
 			// no errors
-			auto method = objects_api::cast<MethodObject>(NDO->create("method"));
+			auto method = objects_api::create<MethodObject>();
 
 			method->mScript->mReadable->val = "print 1 * 20 + 10;";
 			method->compile();
@@ -30,7 +30,7 @@ SUITE(Compiler) {
 
 		{
 			// with errors
-			auto method = objects_api::cast<MethodObject>(NDO->create("method"));
+			auto method = objects_api::create<MethodObject>();
 
 			method->mScript->mReadable->val = "print undefinedVariable;";
 			method->compile();
diff --git a/Objects/tests/TestCore.cpp b/Objects/tests/TestCore.cpp
index fb08077..c082da9 100644
--- a/Objects/tests/TestCore.cpp
+++ b/Objects/tests/TestCore.cpp
@@ -13,7 +13,7 @@ SUITE(Core) {
 		objTestModule.initialize();
 
 		{
-			auto integer = objects_api::cast<IntObject>(NDO->create("int"));
+			auto integer = objects_api::create<IntObject>();
 
 			integer->val = 10;
 
diff --git a/Objects/tests/TestInterpreter.cpp b/Objects/tests/TestInterpreter.cpp
index 08346db..171496c 100644
--- a/Objects/tests/TestInterpreter.cpp
+++ b/Objects/tests/TestInterpreter.cpp
@@ -49,8 +49,8 @@ SUITE(Interpreter) {
 		objTestModule.initialize();
 
 		{
-			auto method = objects_api::cast<MethodObject>(NDO->create("method"));
-			auto interpreter = objects_api::cast<InterpreterObject>(NDO->create("interpreter"));
+			auto method = objects_api::create<MethodObject>();
+			auto interpreter = objects_api::create<InterpreterObject>();
 
 			interpreter->getMember<LinkObject>("target method")->setLink(method);
 
@@ -71,8 +71,8 @@ SUITE(Interpreter) {
 		objTestModule.initialize();
 
 		{
-			auto method = objects_api::cast<MethodObject>(NDO->create("method"));
-			auto interpreter = objects_api::cast<InterpreterObject>(NDO->create("interpreter"));
+			auto method = objects_api::create<MethodObject>();
+			auto interpreter = objects_api::create<InterpreterObject>();
 
 			interpreter->getMember<LinkObject>("target method")->setLink(method);
 
@@ -102,8 +102,8 @@ SUITE(Interpreter) {
 		{
 			auto compileStartCount = getObjCount();
 
-			auto method = objects_api::cast<MethodObject>(NDO->create("method"));
-			auto interpreter = objects_api::cast<InterpreterObject>(NDO->create("interpreter"));
+			auto method = objects_api::create<MethodObject>();
+			auto interpreter = objects_api::create<InterpreterObject>();
 
 			interpreter->getMember<LinkObject>("target method")->setLink(method);
 
@@ -143,8 +143,8 @@ SUITE(Interpreter) {
 		objTestModule.initialize();
 
 		{
-			auto method = objects_api::cast<MethodObject>(NDO->create("method"));
-			auto interpreter = objects_api::cast<InterpreterObject>(NDO->create("interpreter"));
+			auto method = objects_api::create<MethodObject>();
+			auto interpreter = objects_api::create<InterpreterObject>();
 
 			interpreter->getMember<LinkObject>("target method")->setLink(method);
 
diff --git a/Objects/tests/TestPrimitives.cpp b/Objects/tests/TestPrimitives.cpp
index e369b3f..366ac52 100644
--- a/Objects/tests/TestPrimitives.cpp
+++ b/Objects/tests/TestPrimitives.cpp
@@ -16,10 +16,10 @@ SUITE(PrimitiveObjects) {
 		objTestModule.initialize();
 
 		{
-			auto integer = objects_api::cast<IntObject>(NDO->create("int"));
+			auto integer = objects_api::create<IntObject>();
 			integer->val = 10;
 
-			auto dict = objects_api::cast<DictObject>(NDO->create("dict"));
+			auto dict = objects_api::create<DictObject>();
 
 			dict->put("val", integer);
 
@@ -27,7 +27,7 @@ SUITE(PrimitiveObjects) {
 
 			auto dictLoaded = objects_api::cast<DictObject>(NDO->load("dict.o"));
 
-			CHECK(dictLoaded->presents("val").isValid());
+			REQUIRE CHECK(dictLoaded->presents("val").isValid());
 			CHECK(objects_api::cast<IntObject>(dictLoaded->get("val"))->val == 10);
 
 			NDO->destroy(dict);