1 files changed, 36 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/hs/src/Thrift/Transport/Empty.hs b/src/jaegertracing/thrift/lib/hs/src/Thrift/Transport/Empty.hs
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index 000000000..47af5fe88
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+++ b/src/jaegertracing/thrift/lib/hs/src/Thrift/Transport/Empty.hs
@@ -0,0 +1,36 @@
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE OverloadedStrings #-}
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements. See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership. The ASF licenses this file
+-- to you under the Apache License, Version 2.0 (the
+-- "License"); you may not use this file except in compliance
+-- with the License. You may obtain a copy of the License at
+--
+--   http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing,
+-- software distributed under the License is distributed on an
+-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+-- KIND, either express or implied. See the License for the
+-- specific language governing permissions and limitations
+-- under the License.
+--
+
+module Thrift.Transport.Empty
+       ( EmptyTransport(..)
+       ) where
+
+import Thrift.Transport
+
+data EmptyTransport = EmptyTransport
+
+instance Transport EmptyTransport where
+    tIsOpen = const $ return False
+    tClose  = const $ return ()
+    tRead _ _ = return ""
+    tPeek = const $ return Nothing
+    tWrite _ _ = return ()
+    tFlush = const$ return ()