From bf880b80fd15d88f842aa685c4e7a9833bbf579b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Ritzl?= <bjorn.ritzl@gmail.com>
Date: Thu, 28 May 2020 08:08:35 +0200
Subject: [PATCH] Print errors if caught in the callback tracker

---
 monarch/utils/callback_tracker.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/monarch/utils/callback_tracker.lua b/monarch/utils/callback_tracker.lua
index 0c32966..8593263 100644
--- a/monarch/utils/callback_tracker.lua
+++ b/monarch/utils/callback_tracker.lua
@@ -44,7 +44,10 @@ function M.create()
 	function instance.yield_until_done()
 		local co = coroutine.running()
 		callback = function()
-			coroutine.resume(co)
+			local ok, err = coroutine.resume(co)
+			if not ok then
+				print(err)
+			end
 		end
 		invoke_if_done()
 		if not is_done() then