some fix

include/pocketpy/cffi.h

@@ -6,9 +6,9 @@
 namespace pkpy {
 
 #define PY_CLASS(T, mod, name)                  \
-    [[deprecated]] static Type _type(VM* vm) { return vm->_cxx_typeid_map[typeid(T)]; }    \
+    [[deprecated]] static Type _type(VM* vm) { return vm->_cxx_typeid_map[typeid(T)]; }         \
-    [[deprecated]] static PyVar register_class(VM* vm, PyVar mod, Type base=Type(0)) {   \
+    [[deprecated]] static PyVar register_class(VM* vm, PyVar mod, Type base=VM::tp_object) {    \
-        return vm->register_user_class<T>(mod, #name, base);                \
+        return vm->register_user_class<T>(mod, #name, base);                                    \
     }                                                                       
 
 struct VoidP{

include/pocketpy/common.h

@@ -98,11 +98,11 @@ struct Discarded { };
 
 struct Type {
 	int16_t index;
-	constexpr Type(): index(-1) {}
+	constexpr Type(): index(0) {}
 	explicit constexpr Type(int index): index(index) {}
 	bool operator==(Type other) const { return this->index == other.index; }
 	bool operator!=(Type other) const { return this->index != other.index; }
-    explicit operator bool() const { return index != -1; }
+    constexpr operator int() const { return index; }
 };
 
 #define PK_LAMBDA(x) ([](VM* vm, ArgsView args) { return x; })
@@ -178,7 +178,11 @@ struct PyVar final{
     char _bytes[12];
 
     // uninitialized
+#if PK_DEBUG_EXTRA_CHECK
     PyVar(): type() { }
+#else
+    PyVar() = default;
+#endif
     // zero initialized
     PyVar(std::nullptr_t): type(), is_sso(false), flags(0), _bytes{0} { }
     // PyObject* initialized (is_sso = false)

include/pocketpy/config.h

@@ -33,11 +33,11 @@
 /*************** debug settings ***************/
 
 // Enable this may help you find bugs
-#define PK_DEBUG_EXTRA_CHECK        0
+#define PK_DEBUG_EXTRA_CHECK        1
 
 // Do not edit the following settings unless you know what you are doing
 #define PK_DEBUG_CEVAL_STEP         0
-#define PK_DEBUG_MEMORY_POOL        0
+#define PK_DEBUG_MEMORY_POOL        1
 #define PK_DEBUG_NO_MEMORY_POOL     0
 #define PK_DEBUG_NO_AUTO_GC         0
 #define PK_DEBUG_GC_STATS           0

include/pocketpy/obj.h

@@ -124,8 +124,8 @@ struct PyObject{
     }
 };
 
-const int kTpIntIndex = 2;
+const int kTpIntIndex = 3;
-const int kTpFloatIndex = 3;
+const int kTpFloatIndex = 4;
 
 inline bool is_tagged(PyVar p) noexcept { return p.is_sso; }
 inline bool is_float(PyVar p) noexcept { return p.type.index == kTpFloatIndex; }

include/pocketpy/vm.h

@@ -173,14 +173,14 @@ public:
     // function<unsigned char*(const char*, int*)> _import_handler;
     
     // for quick access
-    static constexpr Type tp_object=Type(0), tp_type=Type(1);
+    static constexpr Type tp_object=Type(1), tp_type=Type(2);
-    static constexpr Type tp_int=Type(kTpIntIndex), tp_float=Type(kTpFloatIndex), tp_bool=Type(4), tp_str=Type(5);
+    static constexpr Type tp_int=Type(kTpIntIndex), tp_float=Type(kTpFloatIndex), tp_bool=Type(5), tp_str=Type(6);
-    static constexpr Type tp_list=Type(6), tp_tuple=Type(7);
+    static constexpr Type tp_list=Type(7), tp_tuple=Type(8);
-    static constexpr Type tp_slice=Type(8), tp_range=Type(9), tp_module=Type(10);
+    static constexpr Type tp_slice=Type(9), tp_range=Type(10), tp_module=Type(11);
-    static constexpr Type tp_function=Type(11), tp_native_func=Type(12), tp_bound_method=Type(13);
+    static constexpr Type tp_function=Type(12), tp_native_func=Type(13), tp_bound_method=Type(14);
-    static constexpr Type tp_super=Type(14), tp_exception=Type(15), tp_bytes=Type(16), tp_mappingproxy=Type(17);
+    static constexpr Type tp_super=Type(15), tp_exception=Type(16), tp_bytes=Type(17), tp_mappingproxy=Type(18);
-    static constexpr Type tp_dict=Type(18), tp_property=Type(19), tp_star_wrapper=Type(20);
+    static constexpr Type tp_dict=Type(19), tp_property=Type(20), tp_star_wrapper=Type(21);
-    static constexpr Type tp_staticmethod=Type(21), tp_classmethod=Type(22);
+    static constexpr Type tp_staticmethod=Type(22), tp_classmethod=Type(23);
 
     const bool enable_os;
     VM(bool enable_os=true);
@@ -366,10 +366,10 @@ public:
     void check_compatible_type(PyVar obj, Type type){ if(!isinstance(obj, type)) TypeError(type, _tp(obj)); }
 
     Type _tp(PyVar obj){ return obj.type; }
-    const PyTypeInfo* _tp_info(PyVar obj) { return &_all_types[_tp(obj).index]; }
+    const PyTypeInfo* _tp_info(PyVar obj) { return &_all_types[_tp(obj)]; }
-    const PyTypeInfo* _tp_info(Type type) { return &_all_types[type.index]; }
+    const PyTypeInfo* _tp_info(Type type) { return &_all_types[type]; }
-    PyVar _t(PyVar obj){ return _all_types[_tp(obj).index].obj; }
+    PyVar _t(PyVar obj){ return _all_types[_tp(obj)].obj; }
-    PyVar _t(Type type){ return _all_types[type.index].obj; }
+    PyVar _t(Type type){ return _all_types[type].obj; }
 #endif
 
 #if PK_REGION("User Type Registration")
@@ -445,7 +445,7 @@ inline constexpr bool is_immutable_v = is_integral_v<T> || is_floating_point_v<T
     || std::is_same_v<T, Range> || std::is_same_v<T, Slice>
     || std::is_pointer_v<T> || std::is_enum_v<T>;
 
-template<typename T> constexpr Type _find_type_in_const_cxx_typeid_map(){ return Type(-1); }
+template<typename T> constexpr Type _find_type_in_const_cxx_typeid_map(){ return Type(); }
 template<> constexpr Type _find_type_in_const_cxx_typeid_map<Str>(){ return VM::tp_str; }
 template<> constexpr Type _find_type_in_const_cxx_typeid_map<List>(){ return VM::tp_list; }
 template<> constexpr Type _find_type_in_const_cxx_typeid_map<Tuple>(){ return VM::tp_tuple; }
@@ -488,7 +488,7 @@ PyVar py_var(VM* vm, __T&& value){
         return from_void_p(vm, (void*)value);
     }else{
         constexpr Type const_type = _find_type_in_const_cxx_typeid_map<T>();
-        if constexpr(const_type.index >= 0){
+        if constexpr(const_type){
             return vm->heap.gcnew<T>(const_type, std::forward<__T>(value));
         }
     }
@@ -542,7 +542,7 @@ __T _py_cast__internal(VM* vm, PyVar obj) {
         return to_void_p<T>(vm, obj);
     }else{
         constexpr Type const_type = _find_type_in_const_cxx_typeid_map<T>();
-        if constexpr(const_type.index >= 0){
+        if constexpr(const_type){
             if constexpr(with_check){
                 if constexpr(std::is_same_v<T, Exception>){
                     // Exception is `subclass_enabled`

src/ceval.cpp

@@ -898,9 +898,9 @@ __NEXT_STEP:;
         StrName _name(byte.arg);
         frame->_module->attr().set(_name, __curr_class);
         // call on_end_subclass
-        PyTypeInfo* ti = &_all_types[PK_OBJ_GET(Type, __curr_class).index];
+        PyTypeInfo* ti = &_all_types[PK_OBJ_GET(Type, __curr_class)];
         if(ti->base != tp_object){
-            PyTypeInfo* base_ti = &_all_types[ti->base.index];
+            PyTypeInfo* base_ti = &_all_types[ti->base];
             if(base_ti->on_end_subclass) base_ti->on_end_subclass(this, ti);
         }
         __curr_class = nullptr;
@@ -924,7 +924,7 @@ __NEXT_STEP:;
         PK_ASSERT(__curr_class != nullptr);
         StrName _name(byte.arg);
         Type type = PK_OBJ_GET(Type, __curr_class);
-        _all_types[type.index].annotated_fields.push_back(_name);
+        _all_types[type].annotated_fields.push_back(_name);
     } DISPATCH()
     /*****************************************/
     case OP_WITH_ENTER:

src/dataclasses.cpp

@@ -13,7 +13,7 @@ static void patch__init__(VM* vm, Type cls){
         });
 
         Type cls = vm->_tp(self);
-        const PyTypeInfo* cls_info = &vm->_all_types[cls.index];
+        const PyTypeInfo* cls_info = &vm->_all_types[cls];
         NameDict& cls_d = cls_info->obj->attr();
         const auto& fields = cls_info->annotated_fields;
 
@@ -46,7 +46,7 @@ static void patch__init__(VM* vm, Type cls){
 
 static void patch__repr__(VM* vm, Type cls){
     vm->bind__repr__(cls, [](VM* vm, PyVar _0) -> Str{
-        const PyTypeInfo* cls_info = &vm->_all_types[vm->_tp(_0).index];
+        const PyTypeInfo* cls_info = &vm->_all_types[vm->_tp(_0)];
         const auto& fields = cls_info->annotated_fields;
         const NameDict& obj_d = _0->attr();
         SStream ss;
@@ -65,7 +65,7 @@ static void patch__repr__(VM* vm, Type cls){
 static void patch__eq__(VM* vm, Type cls){
     vm->bind__eq__(cls, [](VM* vm, PyVar _0, PyVar _1){
         if(vm->_tp(_0) != vm->_tp(_1)) return vm->NotImplemented;
-        const PyTypeInfo* cls_info = &vm->_all_types[vm->_tp(_0).index];
+        const PyTypeInfo* cls_info = &vm->_all_types[vm->_tp(_0)];
         const auto& fields = cls_info->annotated_fields;
         for(StrName field: fields){
             PyVar lhs = _0->attr(field);
@@ -88,7 +88,7 @@ void add_module_dataclasses(VM* vm){
         if(!cls_d.contains(__repr__)) patch__repr__(vm, cls);
         if(!cls_d.contains(__eq__)) patch__eq__(vm, cls);
 
-        const auto& fields = vm->_all_types[cls.index].annotated_fields;
+        const auto& fields = vm->_all_types[cls].annotated_fields;
         bool has_default = false;
         for(StrName field: fields){
             if(cls_d.contains(field)){

src/modules.cpp

@@ -239,7 +239,7 @@ void add_module_enum(VM* vm){
     CodeObject_ code = vm->compile(kPythonLibs__enum, "enum.py", EXEC_MODE);
     vm->_exec(code, mod);
     PyVar Enum = mod->attr("Enum");
-    vm->_all_types[PK_OBJ_GET(Type, Enum).index].on_end_subclass = \
+    vm->_all_types[PK_OBJ_GET(Type, Enum)].on_end_subclass = \
         [](VM* vm, PyTypeInfo* new_ti){
             new_ti->subclass_enabled = false;    // Enum class cannot be subclassed twice
             NameDict& attr = new_ti->obj->attr();

src/pocketpy.cpp

@@ -104,7 +104,7 @@ void __init_builtins(VM* _vm) {
             StrName _1 = _type_name(vm, type);
             vm->TypeError("super(): " + _0.escape() + " is not an instance of " + _1.escape());
         }
-        return vm->heap.gcnew<Super>(vm->tp_super, self_arg, vm->_all_types[type.index].base);
+        return vm->heap.gcnew<Super>(vm->tp_super, self_arg, vm->_all_types[type].base);
     });
 
     _vm->bind_func(_vm->builtins, "staticmethod", 1, [](VM* vm, ArgsView args) {
@@ -406,14 +406,14 @@ void __init_builtins(VM* _vm) {
         if(args.size() == 1+0) return VAR(0);
         // 1 arg
         if(args.size() == 1+1){
-            switch(vm->_tp(args[1]).index){
+            switch(vm->_tp(args[1])){
-                case VM::tp_float.index:
+                case VM::tp_float:
                     return VAR((i64)_CAST(f64, args[1]));
-                case VM::tp_int.index:
+                case VM::tp_int:
                     return args[1];
-                case VM::tp_bool.index:
+                case VM::tp_bool:
                     return VAR(args[1]==vm->True ? 1 : 0);
-                case VM::tp_str.index:
+                case VM::tp_str:
                     break;
                 default:
                     vm->TypeError("invalid arguments for int()");
@@ -483,14 +483,14 @@ void __init_builtins(VM* _vm) {
         if(args.size() == 1+0) return VAR(0.0);
         if(args.size() > 1+1) vm->TypeError("float() takes at most 1 argument");
         // 1 arg
-        switch(vm->_tp(args[1]).index){
+        switch(vm->_tp(args[1])){
-            case VM::tp_int.index:
+            case VM::tp_int:
                 return VAR((f64)CAST(i64, args[1]));
-            case VM::tp_float.index:
+            case VM::tp_float:
                 return args[1];
-            case VM::tp_bool.index:
+            case VM::tp_bool:
                 return VAR(args[1]==vm->True ? 1.0 : 0.0);
-            case VM::tp_str.index:
+            case VM::tp_str:
                 break;
             default:
                 vm->TypeError("invalid arguments for float()");
@@ -1502,7 +1502,7 @@ void VM::__post_init_builtin_types(){
 
     bind_func(tp_module, __new__, -1, PK_ACTION(vm->NotImplementedError()));
 
-    _all_types[tp_module.index].m__getattr__ = [](VM* vm, PyVar obj, StrName name) -> PyVar{
+    _all_types[tp_module].m__getattr__ = [](VM* vm, PyVar obj, StrName name) -> PyVar{
         const Str& path = CAST(Str&, obj->attr(__path__));
         return vm->py_import(_S(path, ".", name.sv()), false);
     };
@@ -1522,22 +1522,22 @@ void VM::__post_init_builtin_types(){
 
     bind__repr__(tp_type, [](VM* vm, PyVar self) -> Str{
         SStream ss;
-        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, self).index];
+        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, self)];
         ss << "<class '" << info.name << "'>";
         return ss.str();
     });
 
     bind_property(_t(tp_object), "__class__", PK_LAMBDA(vm->_t(args[0])));
     bind_property(_t(tp_type), "__base__", [](VM* vm, ArgsView args){
-        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, args[0]).index];
+        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, args[0])];
-        return info.base.index == -1 ? vm->None : vm->_all_types[info.base.index].obj;
+        return info.base.index == -1 ? vm->None : vm->_all_types[info.base].obj;
     });
     bind_property(_t(tp_type), "__name__", [](VM* vm, ArgsView args){
-        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, args[0]).index];
+        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, args[0])];
         return VAR(info.name.sv());
     });
     bind_property(_t(tp_type), "__module__", [](VM* vm, ArgsView args){
-        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, args[0]).index];
+        const PyTypeInfo& info = vm->_all_types[PK_OBJ_GET(Type, args[0])];
         if(info.mod == nullptr) return vm->None;
         return info.mod;
     });

src/vm.cpp

@@ -148,7 +148,7 @@ namespace pkpy{
         do{
             val = _t(cls)->attr().try_get(name);
             if(val != nullptr) return val;
-            cls = _all_types[cls.index].base;
+            cls = _all_types[cls].base;
             if(cls.index == -1) break;
         }while(true);
         return nullptr;
@@ -161,7 +161,7 @@ namespace pkpy{
     bool VM::issubclass(Type cls, Type base){
         do{
             if(cls == base) return true;
-            Type next = _all_types[cls.index].base;
+            Type next = _all_types[cls].base;
             if(next.index == -1) break;
             cls = next;
         }while(true);
@@ -206,8 +206,8 @@ namespace pkpy{
     }
 
     PyVar VM::new_type_object(PyVar mod, StrName name, Type base, bool subclass_enabled){
-        PyVar obj = heap._new<Type>(tp_type, Type(_all_types.size()));
+        PyVar obj = heap._new<Type>(tp_type, Type(_all_types.size()+1));
-        const PyTypeInfo& base_info = _all_types[base.index];
+        const PyTypeInfo& base_info = _all_types[base];
         if(!base_info.subclass_enabled){
             Str error = _S("type ", base_info.name.escape(), " is not `subclass_enabled`");
             throw std::runtime_error(error.c_str());
@@ -501,7 +501,7 @@ i64 VM::py_hash(PyVar obj){
         return CAST(i64, ret);
     }
     // if it is trivial `object`, return PK_BITS
-    if(ti == &_all_types[tp_object.index]) return obj.hash();
+    if(ti == &_all_types[tp_object]) return obj.hash();
     // otherwise, we check if it has a custom __eq__ other than object.__eq__
     bool has_custom_eq = false;
     if(ti->m__eq__) has_custom_eq = true;
@@ -825,10 +825,10 @@ void VM::__log_s_data(const char* title) {
 #endif
 
 void VM::__init_builtin_types(){
-    _all_types.push_back({heap._new<Type>(Type(1), Type(0)), Type(-1), nullptr, "object", true});
+    _all_types.push_back({heap._new<Type>(tp_type, tp_object), Type(), nullptr, "object", true});
-    _all_types.push_back({heap._new<Type>(Type(1), Type(1)), Type(0), nullptr, "type", false});
+    _all_types.push_back({heap._new<Type>(tp_type, tp_type), tp_object, nullptr, "type", false});
 
-    auto _new_type = [this](const char* name, Type base=Type(0), bool subclass_enabled=false){
+    auto _new_type = [this](const char* name, Type base=tp_object, bool subclass_enabled=false){
         PyVar obj = new_type_object(nullptr, name, base, subclass_enabled);
         return PK_OBJ_GET(Type, obj);
     };
@@ -849,10 +849,10 @@ void VM::__init_builtin_types(){
     if(tp_bound_method != _new_type("bound_method")) exit(-3);
 
     if(tp_super != _new_type("super")) exit(-3);
-    if(tp_exception != _new_type("Exception", Type(0), true)) exit(-3);
+    if(tp_exception != _new_type("Exception", tp_object, true)) exit(-3);
     if(tp_bytes != _new_type("bytes")) exit(-3);
     if(tp_mappingproxy != _new_type("mappingproxy")) exit(-3);
-    if(tp_dict != _new_type("dict", Type(0), true)) exit(-3);  // dict can be subclassed
+    if(tp_dict != _new_type("dict", tp_object, true)) exit(-3);  // dict can be subclassed
     if(tp_property != _new_type("property")) exit(-3);
     if(tp_star_wrapper != _new_type("_star_wrapper")) exit(-3);
 
@@ -868,7 +868,7 @@ void VM::__init_builtin_types(){
     this->Ellipsis = heap._new<Dummy>(_new_type("ellipsis"));
     this->True = heap._new<Dummy>(tp_bool);
     this->False = heap._new<Dummy>(tp_bool);
-    this->StopIteration = _all_types[_new_type("StopIteration", tp_exception).index].obj;
+    this->StopIteration = _all_types[_new_type("StopIteration", tp_exception)].obj;
 
     this->builtins = new_module("builtins");
     
@@ -1196,7 +1196,7 @@ PyVar VM::getattr(PyVar obj, StrName name, bool throw_err){
         return cls_var;
     }
 
-    const PyTypeInfo* ti = &_all_types[objtype.index];
+    const PyTypeInfo* ti = &_all_types[objtype];
     if(ti->m__getattr__){
         PyVar ret = ti->m__getattr__(this, obj, name);
         if(ret) return ret;
@@ -1267,7 +1267,7 @@ PyVar VM::get_unbound_method(PyVar obj, StrName name, PyVar* self, bool throw_er
         return cls_var;
     }
 
-    const PyTypeInfo* ti = &_all_types[objtype.index];
+    const PyTypeInfo* ti = &_all_types[objtype];
     if(fallback && ti->m__getattr__){
         PyVar ret = ti->m__getattr__(this, obj, name);
         if(ret) return ret;
@@ -1301,7 +1301,7 @@ void VM::setattr(PyVar obj, StrName name, PyVar value){
         }
     }
 
-    const PyTypeInfo* ti = &_all_types[objtype.index];
+    const PyTypeInfo* ti = &_all_types[objtype];
     if(ti->m__setattr__){
         ti->m__setattr__(this, obj, name, value);
         return;
@@ -1429,7 +1429,7 @@ void ManagedHeap::mark() {
 }
 
 StrName _type_name(VM *vm, Type type){
-    return vm->_all_types[type.index].name;
+    return vm->_all_types[type].name;
 }
 
 void _gc_mark_namedict(NameDict* t){
@@ -1439,14 +1439,14 @@ void _gc_mark_namedict(NameDict* t){
 }
 
 void VM::bind__getitem__(Type type, PyVar (*f)(VM*, PyVar, PyVar)){
-    _all_types[type.index].m__getitem__ = f;
+    _all_types[type].m__getitem__ = f;
     bind_func(type, __getitem__, 2, [](VM* vm, ArgsView args){
         return lambda_get_userdata<PyVar(*)(VM*, PyVar, PyVar)>(args.begin())(vm, args[0], args[1]);
     }, f);
 }
 
 void VM::bind__setitem__(Type type, void (*f)(VM*, PyVar, PyVar, PyVar)){
-    _all_types[type.index].m__setitem__ = f;
+    _all_types[type].m__setitem__ = f;
     bind_func(type, __setitem__, 3, [](VM* vm, ArgsView args){
         lambda_get_userdata<void(*)(VM* vm, PyVar, PyVar, PyVar)>(args.begin())(vm, args[0], args[1], args[2]);
         return vm->None;
@@ -1454,7 +1454,7 @@ void VM::bind__setitem__(Type type, void (*f)(VM*, PyVar, PyVar, PyVar)){
 }
 
 void VM::bind__delitem__(Type type, void (*f)(VM*, PyVar, PyVar)){
-    _all_types[type.index].m__delitem__ = f;
+    _all_types[type].m__delitem__ = f;
     bind_func(type, __delitem__, 2, [](VM* vm, ArgsView args){
         lambda_get_userdata<void(*)(VM*, PyVar, PyVar)>(args.begin())(vm, args[0], args[1]);
         return vm->None;
@@ -1470,7 +1470,7 @@ PyVar VM::__pack_next_retval(unsigned n){
 }
 
 void VM::bind__next__(Type type, unsigned (*f)(VM*, PyVar)){
-    _all_types[type.index].m__next__ = f;
+    _all_types[type].m__next__ = f;
     bind_func(type, __next__, 1, [](VM* vm, ArgsView args){
         int n = lambda_get_userdata<unsigned(*)(VM*, PyVar)>(args.begin())(vm, args[0]);
         return vm->__pack_next_retval(n);
@@ -1486,7 +1486,7 @@ void VM::bind__next__(Type type, PyVar (*f)(VM*, PyVar)){
 
 #define BIND_UNARY_SPECIAL(name)                                                        \
     void VM::bind##name(Type type, PyVar (*f)(VM*, PyVar)){                             \
-        _all_types[type.index].m##name = f;                                             \
+        _all_types[type].m##name = f;                                             \
         bind_func(type, name, 1, [](VM* vm, ArgsView args){                             \
             return lambda_get_userdata<PyVar(*)(VM*, PyVar)>(args.begin())(vm, args[0]);\
         }, f);                                                                          \
@@ -1497,7 +1497,7 @@ void VM::bind__next__(Type type, PyVar (*f)(VM*, PyVar)){
 #undef BIND_UNARY_SPECIAL
 
 void VM::bind__str__(Type type, Str (*f)(VM*, PyVar)){
-    _all_types[type.index].m__str__ = f;
+    _all_types[type].m__str__ = f;
     bind_func(type, __str__, 1, [](VM* vm, ArgsView args){
         Str s = lambda_get_userdata<decltype(f)>(args.begin())(vm, args[0]);
         return VAR(s);
@@ -1505,7 +1505,7 @@ void VM::bind__str__(Type type, Str (*f)(VM*, PyVar)){
 }
 
 void VM::bind__repr__(Type type, Str (*f)(VM*, PyVar)){
-    _all_types[type.index].m__repr__ = f;
+    _all_types[type].m__repr__ = f;
     bind_func(type, __repr__, 1, [](VM* vm, ArgsView args){
         Str s = lambda_get_userdata<decltype(f)>(args.begin())(vm, args[0]);
         return VAR(s);
@@ -1513,7 +1513,7 @@ void VM::bind__repr__(Type type, Str (*f)(VM*, PyVar)){
 }
 
 void VM::bind__hash__(Type type, i64 (*f)(VM*, PyVar)){
-    _all_types[type.index].m__hash__ = f;
+    _all_types[type].m__hash__ = f;
     bind_func(type, __hash__, 1, [](VM* vm, ArgsView args){
         i64 ret = lambda_get_userdata<decltype(f)>(args.begin())(vm, args[0]);
         return VAR(ret);
@@ -1521,7 +1521,7 @@ void VM::bind__hash__(Type type, i64 (*f)(VM*, PyVar)){
 }
 
 void VM::bind__len__(Type type, i64 (*f)(VM*, PyVar)){
-    _all_types[type.index].m__len__ = f;
+    _all_types[type].m__len__ = f;
     bind_func(type, __len__, 1, [](VM* vm, ArgsView args){
         i64 ret = lambda_get_userdata<decltype(f)>(args.begin())(vm, args[0]);
         return VAR(ret);
@@ -1531,7 +1531,7 @@ void VM::bind__len__(Type type, i64 (*f)(VM*, PyVar)){
 
 #define BIND_BINARY_SPECIAL(name)                                                       \
     void VM::bind##name(Type type, BinaryFuncC f){                                      \
-        _all_types[type.index].m##name = f;                                                   \
+        _all_types[type].m##name = f;                                                   \
         bind_func(type, name, 2, [](VM* vm, ArgsView args){                             \
             return lambda_get_userdata<BinaryFuncC>(args.begin())(vm, args[0], args[1]);\
         }, f);                                                                          \