From 2010cec78ec15ad17105ca882dd452de6470477a Mon Sep 17 00:00:00 2001
From: Stephen Diehl <stephen.m.diehl@gmail.com>
Date: Mon, 10 Oct 2016 11:05:40 +0100
Subject: [PATCH] Mask yield, fixes #23

---
 src/Protolude.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Protolude.hs b/src/Protolude.hs
index e129ed437..f2bd9d2e3 100644
--- a/src/Protolude.hs
+++ b/src/Protolude.hs
@@ -345,6 +345,7 @@ import qualified Control.Exception
 import Control.Monad.STM as X
 import Control.Concurrent as X hiding (
     throwTo
+  , yield
   )
 import Control.Concurrent.Async as X