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Add Data deriving instance to NodeId and ProcessId, per suggestion of…

… DylanLukes
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1 parent a4eda0d commit 9ae60f8782e19dc053caae6e72dbaa0f42f41d09 @jepst committed Sep 25, 2011
Showing with 3 additions and 2 deletions.
  1. +3 −2 Remote/Process.hs
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@@ -75,6 +75,7 @@ import Data.Char (isSpace,isDigit)
import Data.List (isSuffixOf,foldl', isPrefixOf,nub)
import Data.Maybe (catMaybes,isNothing)
import Data.Typeable (Typeable)
+import Data.Data (Data)
import Data.Unique (newUnique,hashUnique)
import System.IO (Handle,hClose,hSetBuffering,hGetChar,hPutChar,BufferMode(..),hFlush)
import System.IO.Error (isEOFError,isDoesNotExistError,isUserError)
@@ -150,13 +151,13 @@ data Node = Node
-- | Identifies a node somewhere on the network. These
-- can be queried from 'getPeers'. See also 'getSelfNode'
-data NodeId = NodeId !HostName !PortId deriving (Typeable,Eq,Ord)
+data NodeId = NodeId !HostName !PortId deriving (Typeable,Eq,Ord,Data)
-- | Identifies a process somewhere on the network. These
-- are produced by the 'spawn' family of functions and
-- consumed by 'send'. When a process ends, its process ID
-- ceases to be valid. See also 'getSelfPid'
-data ProcessId = ProcessId !NodeId !LocalProcessId deriving (Typeable,Eq,Ord)
+data ProcessId = ProcessId !NodeId !LocalProcessId deriving (Typeable,Eq,Ord,Data)
instance Binary NodeId where
put (NodeId h p) = put h >> put p

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