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-rw-r--r--Utility/SimpleProtocol.hs7
1 files changed, 7 insertions, 0 deletions
diff --git a/Utility/SimpleProtocol.hs b/Utility/SimpleProtocol.hs
index 708f590e7..728b135e8 100644
--- a/Utility/SimpleProtocol.hs
+++ b/Utility/SimpleProtocol.hs
@@ -5,6 +5,9 @@
- License: BSD-2-clause
-}
+{-# LANGUAGE FlexibleInstances #-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
module Utility.SimpleProtocol (
Sendable(..),
Receivable(..),
@@ -88,3 +91,7 @@ dupIoHandles = do
nullh `hDuplicateTo` stdin
stderr `hDuplicateTo` stdout
return (readh, writeh)
+
+instance Serializable [Char] where
+ serialize = id
+ deserialize = Just