THRIFT-560. haskell: Add tutorial
git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@898015 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tutorial/hs/HaskellClient.hs b/tutorial/hs/HaskellClient.hs
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+++ b/tutorial/hs/HaskellClient.hs
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+--
+-- 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.
+--
+
+import qualified Calculator
+import qualified Calculator_Client as Client
+import qualified SharedService_Client as SClient
+import Tutorial_Types
+import SharedService_Iface
+import Shared_Types
+
+import Thrift
+import Thrift.Protocol.Binary
+import Thrift.Transport
+import Thrift.Transport.Handle
+import Thrift.Server
+
+import Data.Maybe
+import Text.Printf
+import Network
+
+main = do
+ transport <- hOpen ("localhost", PortNumber 9090)
+ let binProto = BinaryProtocol transport
+ let client = (binProto, binProto)
+
+ Client.ping client
+ print "ping()"
+
+ sum <- Client.add client 1 1
+ printf "1+1=%d\n" sum
+
+
+ let work = Work { f_Work_op = Just DIVIDE,
+ f_Work_num1 = Just 1,
+ f_Work_num2 = Just 0,
+ f_Work_comment = Nothing
+ }
+
+ -- TODO - get this one working
+ --catch (Client.calculate client 1 work) (\except ->
+ -- printf "InvalidOp %s" (show except))
+
+
+ let work = Work { f_Work_op = Just SUBTRACT,
+ f_Work_num1 = Just 15,
+ f_Work_num2 = Just 10,
+ f_Work_comment = Nothing
+ }
+
+ diff <- Client.calculate client 1 work
+ printf "15-10=%d\n" diff
+
+ log <- SClient.getStruct client 1
+ printf "Check log: %s\n" $ fromJust $ f_SharedStruct_value log
+
+ -- Close!
+ tClose transport
+
+