From 829dfa75201c12148cc0a137fef3eed4480fc17f Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Sun, 14 Apr 2024 19:41:29 -0400
Subject: [PATCH] Add defaul rtv for `use_greeback: bool = False`

---
 tractor/_state.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tractor/_state.py b/tractor/_state.py
index 9e4e947..b76e8ac 100644
--- a/tractor/_state.py
+++ b/tractor/_state.py
@@ -30,11 +30,16 @@ if TYPE_CHECKING:
 
 _current_actor: Actor|None = None  # type: ignore # noqa
 _last_actor_terminated: Actor|None = None
+
+# TODO: mk this a `msgspec.Struct`!
 _runtime_vars: dict[str, Any] = {
     '_debug_mode': False,
     '_is_root': False,
     '_root_mailbox': (None, None),
     '_registry_addrs': [],
+
+    # for `breakpoint()` support
+    'use_greenback': False,
 }