Add sequence operators to fix the unbound vs. missing problem

These will also come in handy when it comes to re-implementing stuff like `Sequence.find`

include/deemon/object.h

@@ -2030,9 +2030,10 @@ struct Dee_type_seq {
 	WUNUSED_T NONNULL_T((1, 2)) Dee_ssize_t (DCALL *tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
 	WUNUSED_T NONNULL_T((1, 2)) Dee_ssize_t (DCALL *tp_foreach_pair)(DeeObject *__restrict self, Dee_foreach_pair_t proc, void *arg);
 
-	/* TODO: For enumerating available indices/keys, and their current values (which may be NULL if `this[index] !is bound') */
-	//TODO: WUNUSED_T NONNULL_T((1, 2)) Dee_ssize_t (DCALL *tp_enumerate)(DeeObject *__restrict self, Dee_enumerate_t proc, void *arg);
-	//TODO: WUNUSED_T NONNULL_T((1, 2)) Dee_ssize_t (DCALL *tp_enumerate_index)(DeeObject *__restrict self, Dee_enumerate_index_t proc, void *arg, size_t starthint, size_t endhint);
+	/* Alternate forms for `tp_foreach' (these are inherited by `DeeType_InheritIter()').
+	 * For enumerating available indices/keys, and their current values (which may be NULL if `this[index] !is bound') */
+	WUNUSED_T NONNULL_T((1, 2)) Dee_ssize_t (DCALL *tp_enumerate)(DeeObject *__restrict self, Dee_enumerate_t proc, void *arg);
+	WUNUSED_T NONNULL_T((1, 2)) Dee_ssize_t (DCALL *tp_enumerate_index)(DeeObject *__restrict self, Dee_enumerate_index_t proc, void *arg, size_t starthint, size_t endhint);
 
 	/* Optional function to check if a specific item index/key is bound. (inherited alongside `tp_getitem')
 	 * Check if a given item is bound (`self[index] is bound' / `deemon.bounditem(self, index)')
@@ -2195,6 +2196,22 @@ myob_foreach_pair(MyObject *__restrict self, Dee_foreach_pair_t proc, void *arg)
 	return DeeError_NOTIMPLEMENTED();
 }
 
+PRIVATE WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+myob_enumerate(MyObject *__restrict self, Dee_enumerate_t proc, void *arg) {
+	(void)self;
+	(void)proc;
+	(void)arg;
+	return DeeError_NOTIMPLEMENTED();
+}
+
+PRIVATE WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+myob_enumerate_index(MyObject *__restrict self, Dee_enumerate_index_t proc, void *arg, size_t starthint, size_t endhint) {
+	(void)self;
+	(void)proc;
+	(void)arg;
+	return DeeError_NOTIMPLEMENTED();
+}
+
 PRIVATE WUNUSED NONNULL((1, 2)) int DCALL
 myob_bounditem(MyObject *self, DeeObject *index) {
 	(void)self;
@@ -2448,6 +2465,8 @@ PRIVATE struct type_seq myob_seq = {
 	/* .tp_nsi                        = */ &myob_nsi,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&myob_foreach,
 	/* .tp_foreach_pair               = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))&myob_foreach_pair,
+	/* .tp_enumerate                  = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_enumerate_t, void *))&myob_enumerate,
+	/* .tp_enumerate_index            = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_enumerate_index_t, void *, size_t, size_t))&myob_enumerate_index,
 	/* .tp_bounditem                  = */ (int (DCALL *)(DeeObject *, DeeObject *))&myob_bounditem,
 	/* .tp_hasitem                    = */ (int (DCALL *)(DeeObject *, DeeObject *))&myob_hasitem,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&myob_size,
@@ -4517,7 +4536,9 @@ DFUNDEF WUNUSED NONNULL((1, 2)) int (DCALL DeeObject_InplacePow)(DREF DeeObject
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_AddInt8)(DeeObject *__restrict self, int8_t val);
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_SubInt8)(DeeObject *__restrict self, int8_t val);
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_AddUInt32)(DeeObject *__restrict self, uint32_t val);
+DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_AddUInt64)(DeeObject *__restrict self, uint64_t val);
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_SubUInt32)(DeeObject *__restrict self, uint32_t val);
+DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_SubUInt64)(DeeObject *__restrict self, uint64_t val);
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_MulInt8)(DeeObject *__restrict self, int8_t val);
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_DivInt8)(DeeObject *__restrict self, int8_t val);
 DFUNDEF WUNUSED NONNULL((1)) DREF DeeObject *(DCALL DeeObject_ModInt8)(DeeObject *__restrict self, int8_t val);
@@ -4538,6 +4559,13 @@ DFUNDEF WUNUSED NONNULL((1)) int (DCALL DeeObject_InplaceShrUInt8)(DREF DeeObjec
 DFUNDEF WUNUSED NONNULL((1)) int (DCALL DeeObject_InplaceAndUInt32)(DREF DeeObject **__restrict p_self, uint32_t val);
 DFUNDEF WUNUSED NONNULL((1)) int (DCALL DeeObject_InplaceOrUInt32)(DREF DeeObject **__restrict p_self, uint32_t val);
 DFUNDEF WUNUSED NONNULL((1)) int (DCALL DeeObject_InplaceXorUInt32)(DREF DeeObject **__restrict p_self, uint32_t val);
+#if __SIZEOF_SIZE_T__ > 4
+#define DeeObject_AddSize(self, val) DeeObject_AddUInt64(self, (uint64_t)(val))
+#define DeeObject_SubSize(self, val) DeeObject_SubUInt64(self, (uint64_t)(val))
+#else /* __SIZEOF_SIZE_T__ > 4 */
+#define DeeObject_AddSize(self, val) DeeObject_AddUInt32(self, (uint32_t)(val))
+#define DeeObject_SubSize(self, val) DeeObject_SubUInt32(self, (uint32_t)(val))
+#endif /* __SIZEOF_SIZE_T__ <= 4 */
 
 
 /* Comparison operator invocation. */
@@ -4769,6 +4797,26 @@ DFUNDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t /* TODO: Refactor more code to use t
 DFUNDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t /* TODO: Refactor more code to use this instead of `DeeObject_Unpack()' */
 (DCALL DeeObject_ForeachPair)(DeeObject *__restrict self, Dee_foreach_pair_t proc, void *arg);
 
+
+/* Enumerate valid keys/indices of "self", as well as their current value.
+ * @return: * : Sum of return values of `*proc'
+ * @return: -1: An error occurred during iteration (or potentially inside of `*proc') */
+DFUNDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t
+(DCALL DeeObject_Enumerate)(DeeObject *__restrict self, Dee_enumerate_t proc, void *arg);
+
+/* Same as `DeeObject_Enumerate()', but only valid when "self" uses integers for indices
+ * or is a mapping where all keys are integers. In the former case, [starthint,endhint)
+ * can be given in order to allow the implementation to only enumerate indices that fall
+ * within that range (though an implementation is allowed to simply ignore these arguments)
+ * If you want to always enumerate all indices (like is also done by `DeeObject_Enumerate',
+ * then simply pass `starthint = 0, endhint = (size_t)-1')
+ * @return: * : Sum of return values of `*proc'
+ * @return: -1: An error occurred during iteration (or potentially inside of `*proc') */
+DFUNDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t
+(DCALL DeeObject_EnumerateIndex)(DeeObject *__restrict self, Dee_enumerate_index_t proc,
+                                 void *arg, size_t starthint, size_t endhint);
+
+
 /* Unpack the given sequence `self' into `objc' items then stored within the `objv' vector. */
 DFUNDEF WUNUSED ATTR_OUTS(3, 2) NONNULL((1)) int
 (DCALL DeeObject_Unpack)(DeeObject *__restrict self, size_t objc,

include/deemon/super.h

@@ -150,6 +150,8 @@ DFUNDEF WUNUSED NONNULL((1, 2, 3)) int (DCALL DeeObject_TTryCompareEq)(DeeTypeOb
 /* Sequence operators */
 DFUNDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t (DCALL DeeObject_TForeach)(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 DFUNDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t (DCALL DeeObject_TForeachPair)(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_pair_t proc, void *arg);
+DFUNDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t (DCALL DeeObject_TEnumerate)(DeeTypeObject *tp_self, DeeObject *self, Dee_enumerate_t proc, void *arg);
+DFUNDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t (DCALL DeeObject_TEnumerateIndex)(DeeTypeObject *tp_self, DeeObject *self, Dee_enumerate_index_t proc, void *arg, size_t starthint, size_t endhint);
 DFUNDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *(DCALL DeeObject_TIter)(DeeTypeObject *tp_self, DeeObject *self);
 DFUNDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *(DCALL DeeObject_TIterNext)(DeeTypeObject *tp_self, DeeObject *self);
 DFUNDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *(DCALL DeeObject_TSizeOb)(DeeTypeObject *tp_self, DeeObject *self);

src/deemon/execute/function-wrappers.c

@@ -541,7 +541,9 @@ PRIVATE struct type_seq funcstatics_seq = {
 	/* .tp_setrange           = */ NULL,
 	/* .tp_nsi                = */ &funcstatics_nsi,
 	/* .tp_foreach            = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&funcstatics_foreach,
-	/* .tp_foreach_pair       = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))NULL,
+	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&funcstatics_nsi_getsize,
@@ -1415,6 +1417,8 @@ PRIVATE struct type_seq funcsymbolsbyname_seq = {
 	/* .tp_nsi                = */ &funcsymbolsbyname_nsi,
 	/* .tp_foreach            = */ NULL,
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&funcsymbolsbyname_nsi_getsize,
@@ -2399,6 +2403,8 @@ PRIVATE struct type_seq yfuncsymbolsbyname_seq = {
 	/* .tp_nsi                = */ &yfuncsymbolsbyname_nsi,
 	/* .tp_foreach            = */ NULL,
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&yfuncsymbolsbyname_nsi_getsize,
@@ -2680,6 +2686,8 @@ PRIVATE struct type_seq frameargs_seq = {
 	/* .tp_nsi                = */ &frameargs_nsi,
 	/* .tp_foreach            = */ NULL,
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&frameargs_nsi_getsize,
@@ -2987,6 +2995,8 @@ PRIVATE struct type_seq framelocals_seq = {
 	/* .tp_nsi                = */ &framelocals_nsi,
 	/* .tp_foreach            = */ NULL,
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&framelocals_nsi_getsize,
@@ -3369,6 +3379,8 @@ PRIVATE struct type_seq framestack_seq = {
 	/* .tp_nsi                = */ &framestack_nsi,
 	/* .tp_foreach            = */ NULL,
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&framestack_nsi_getsize,
@@ -4711,6 +4723,8 @@ PRIVATE struct type_seq framesymbolsbyname_seq = {
 	/* .tp_nsi                = */ &framesymbolsbyname_nsi,
 	/* .tp_foreach            = */ NULL,
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&framesymbolsbyname_nsi_getsize,

src/deemon/execute/module_globals.c

@@ -776,6 +776,8 @@ PRIVATE struct type_seq modglobals_seq = {
 	/* .tp_nsi                = */ &modglobals_nsi,
 	/* .tp_foreach            = */ NULL, /* TODO */
 	/* .tp_foreach_pair       = */ NULL,
+	/* .tp_enumerate          = */ NULL,
+	/* .tp_enumerate_index    = */ NULL,
 	/* .tp_bounditem          = */ NULL,
 	/* .tp_hasitem            = */ NULL,
 	/* .tp_size               = */ (size_t (DCALL *)(DeeObject *__restrict))&modglobals_nsi_getsize,

src/deemon/objects/bytes.c

@@ -1475,6 +1475,8 @@ PRIVATE struct type_seq bytes_seq = {
 	/* .tp_nsi                        = */ &bytes_nsi,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&bytes_foreach,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&bytes_size,

src/deemon/objects/cached-dict.c

@@ -1268,6 +1268,8 @@ PRIVATE struct type_seq cdict_seq = {
 	/* .tp_nsi                        = */ &cdict_nsi,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&cdict_foreach,
 	/* .tp_foreach_pair               = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))&cdict_foreach_pair,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ (int (DCALL *)(DeeObject *, DeeObject *))&cdict_bounditem,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&cdict_size,

src/deemon/objects/class_desc.c

@@ -457,6 +457,8 @@ PRIVATE struct type_seq cot_seq = {
 	/* .tp_nsi                        = */ &cot_nsi,
 	/* .tp_foreach                    = */ NULL,
 	/* .tp_foreach_pair               = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))&cot_foreach_pair,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&cot_size,
@@ -1078,6 +1080,8 @@ PRIVATE struct type_seq cat_seq = {
 	/* .tp_nsi                        = */ &cat_nsi,
 	/* .tp_foreach                    = */ NULL,
 	/* .tp_foreach_pair               = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))&cat_foreach_pair,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&cat_size,
@@ -2616,6 +2620,8 @@ PRIVATE struct type_seq ot_seq = {
 	/* .tp_nsi                        = */ &ot_nsi,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&ot_foreach,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&ot_size,

src/deemon/objects/dict.c

@@ -2522,6 +2522,8 @@ PRIVATE struct type_seq dict_seq = {
 	/* .tp_nsi                        = */ &dict_nsi,
 	/* .tp_foreach                    = */ NULL,
 	/* .tp_foreach_pair               = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))&dict_foreach,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ (int (DCALL *)(DeeObject *, DeeObject *))&dict_bounditem,
 	/* .tp_hasitem                    = */ (int (DCALL *)(DeeObject *, DeeObject *))&dict_hasitem,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&dict_size,

src/deemon/objects/dictproxy.c

@@ -658,6 +658,8 @@ PRIVATE struct type_seq proxy_seq = {
 	/* .tp_nsi                        = */ NULL,
 	/* .tp_foreach                    = */ NULL,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&proxy_size,
@@ -805,6 +807,8 @@ PRIVATE struct type_seq dict_keys_seq = {
 	/* .tp_nsi                        = */ NULL,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&dict_keys_foreach,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&proxy_size,
@@ -850,6 +854,8 @@ PRIVATE struct type_seq dict_items_seq = {
 	/* .tp_foreach                    = */ NULL,
 	/* .tp_nsi                        = */ NULL,
 	/* .tp_foreach_pair               = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_pair_t, void *))&dict_items_foreach,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&proxy_size,
@@ -895,6 +901,8 @@ PRIVATE struct type_seq dict_values_seq = {
 	/* .tp_nsi                        = */ NULL,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&dict_values_foreach,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&proxy_size,

src/deemon/objects/gc_inspect.c

@@ -298,6 +298,8 @@ PRIVATE struct type_seq gcset_seq = {
 	/* .tp_nsi                        = */ NULL,
 	/* .tp_foreach                    = */ NULL,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&gcset_size,

src/deemon/objects/hashset.c

@@ -1872,6 +1872,8 @@ PRIVATE struct type_seq hashset_seq = {
 	/* .tp_nsi                        = */ &hashset_nsi,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&hashset_foreach,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL,
 	/* .tp_hasitem                    = */ NULL,
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&hashset_size,

src/deemon/objects/list.c

@@ -2385,6 +2385,8 @@ PRIVATE struct type_seq list_seq = {
 	/* .tp_nsi                        = */ &list_nsi,
 	/* .tp_foreach                    = */ (Dee_ssize_t (DCALL *)(DeeObject *__restrict, Dee_foreach_t, void *))&list_foreach,
 	/* .tp_foreach_pair               = */ NULL,
+	/* .tp_enumerate                  = */ NULL,
+	/* .tp_enumerate_index            = */ NULL,
 	/* .tp_bounditem                  = */ NULL, /* default */
 	/* .tp_hasitem                    = */ NULL, /* default */
 	/* .tp_size                       = */ (size_t (DCALL *)(DeeObject *__restrict))&list_size,