git.iko.soy/typeable/servant
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Add MonadBaseControl IO ClientM instance
commitb548f8df86396f0e33f57b3e60ff7edaf267740a authorOleg Grenrus <oleg.grenrus@iki.fi> dateMon 16 Jan 2017, 09:51 (10 years ago) parent875f592
2 files changed+24−6
servant-client/servant-client.cabal+2 servant-client/src/Servant/Common/Req.hs+22−6
servant-client/servant-client.cabal+2
@@ -47,12 +47,14 @@ library
4747 , http-client-tls >= 0.2.2 && < 0.4
4848 , http-media >= 0.6.2 && < 0.7
4949 , http-types >= 0.8.6 && < 0.10
50+ , monad-control >= 1.0.0.4 && < 1.1
5051 , network-uri >= 2.6 && < 2.7
5152 , safe >= 0.3.9 && < 0.4
5253 , servant == 0.9.*
5354 , string-conversions >= 0.3 && < 0.5
5455 , text >= 1.2 && < 1.3
5556 , transformers >= 0.3 && < 0.6
57+ , transformers-base >= 0.4.4 && < 0.5
5658 , transformers-compat >= 0.4 && < 0.6
5759 , mtl
5860 hs-source-dirs: src
servant-client/src/Servant/Common/Req.hs+22−6
@@ -1,9 +1,11 @@
1−{-# LANGUAGE DeriveDataTypeable #-}
2−{-# LANGUAGE DeriveGeneric #-}
3−{-# LANGUAGE CPP #-}
4−{-# LANGUAGE OverloadedStrings #-}
5−{-# LANGUAGE ScopedTypeVariables #-}
6−{-# LANGUAGE GeneralizedNewtypeDeriving #-}
1+{-# LANGUAGE CPP #-}
2+{-# LANGUAGE DeriveDataTypeable #-}
3+{-# LANGUAGE DeriveGeneric #-}
4+{-# LANGUAGE GeneralizedNewtypeDeriving #-}
5+{-# LANGUAGE MultiParamTypeClasses #-}
6+{-# LANGUAGE TypeFamilies #-}
7+{-# LANGUAGE OverloadedStrings #-}
8+{-# LANGUAGE ScopedTypeVariables #-}
79
810module Servant.Common.Req where
911
@@ -24,8 +26,10 @@ import Control.Monad.Trans.Except
2426
2527
2628import GHC.Generics
29+import Control.Monad.Base (MonadBase (..))
2730import Control.Monad.IO.Class ()
2831import Control.Monad.Reader
32+import Control.Monad.Trans.Control (MonadBaseControl (..))
2933import Data.ByteString.Lazy hiding (pack, filter, map, null, elem, any)
3034import Data.String
3135import Data.String.Conversions
@@ -180,6 +184,18 @@ newtype ClientM a = ClientM { runClientM' :: ReaderT ClientEnv (ExceptT ServantE
180184 , MonadThrow, MonadCatch
181185 )
182186
187+instance MonadBase IO ClientM where
188+ liftBase = ClientM . liftBase
189+
190+instance MonadBaseControl IO ClientM where
191+ type StM ClientM a = Either ServantError a
192+
193+ -- liftBaseWith :: (RunInBase ClientM IO -> IO a) -> ClientM a
194+ liftBaseWith f = ClientM (liftBaseWith (\g -> f (g . runClientM')))
195+
196+ -- restoreM :: StM ClientM a -> ClientM a
197+ restoreM st = ClientM (restoreM st)
198+
183199runClientM :: ClientM a -> ClientEnv -> IO (Either ServantError a)
184200runClientM cm env = runExceptT $ (flip runReaderT env) $ runClientM' cm
185201