Add store_item() virtual method to type to implement container[index] = val.
diff --git a/py/runtime.c b/py/runtime.c
index 0d1381c..8e6eb06 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -905,7 +905,15 @@
// dict store
mp_obj_dict_store(base, index, value);
} else {
- assert(0);
+ mp_obj_type_t *type = mp_obj_get_type(base);
+ if (type->store_item != NULL) {
+ bool r = type->store_item(base, index, value);
+ if (r) {
+ return;
+ }
+ // TODO: call base classes here?
+ }
+ nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "'%s' object does not support item assignment", mp_obj_get_type_str(base)));
}
}