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diff --git a/deps/irc-conduit/Network/IRC/Conduit/Lens.hs b/deps/irc-conduit/Network/IRC/Conduit/Lens.hs
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+-- |
+-- Module      : Network.IRC.Conduit
+-- Copyright   : (c) 2017 Michael Walker
+-- License     : MIT
+-- Maintainer  : Michael Walker <mike@barrucadu.co.uk>
+-- Stability   : experimental
+-- Portability : portable
+--
+-- 'Lens'es and 'Prism's.
+module Network.IRC.Conduit.Lens where
+
+import           Data.ByteString              (ByteString)
+import           Data.Profunctor              (Choice(right'),
+                                               Profunctor(dimap))
+
+import           Network.IRC.Conduit.Internal
+import           Network.IRC.CTCP             (CTCPByteString)
+
+-- * Lenses for 'Event'
+
+-- | 'Lens' for '_raw'.
+raw :: Lens' (Event a) ByteString
+{-# INLINE raw #-}
+raw afb s = (\b -> s { _raw = b }) <$> afb (_raw s)
+
+-- | 'Lens' for '_source'.
+source :: Lens' (Event a) (Source a)
+{-# INLINE source #-}
+source afb s = (\b -> s { _source = b }) <$> afb (_source s)
+
+-- | 'Lens' for '_message'.
+message :: Lens' (Event a) (Message a)
+{-# INLINE message #-}
+message afb s = (\b -> s { _message = b }) <$> afb (_message s)
+
+-- * Prisms for 'Source'
+
+-- | 'Prism' for 'User'
+_User :: Prism' (Source a) (NickName a)
+{-# INLINE _User #-}
+_User = dimap
+  (\s -> case s of User n -> Right n; _ -> Left s)
+  (either pure $ fmap User) . right'
+
+-- | 'Prism' for 'Channel'
+_Channel :: Prism' (Source a) (ChannelName a, NickName a)
+{-# INLINE _Channel #-}
+_Channel = dimap
+  (\s -> case s of Channel c n -> Right (c,n); _ -> Left s)
+  (either pure $ fmap (uncurry Channel)) . right'
+
+-- | 'Prism' for 'Server'
+_Server :: Prism' (Source a) (ServerName a)
+{-# INLINE _Server #-}
+_Server = dimap
+  (\s -> case s of Server n -> Right n; _ -> Left s)
+  (either pure $ fmap Server) . right'
+
+-- * Prisms for 'Message'
+
+-- | 'Prism' for 'Privmsg'
+_Privmsg :: Prism' (Message a) (Target a, Either CTCPByteString a)
+{-# INLINE _Privmsg #-}
+_Privmsg = dimap
+  (\s -> case s of Privmsg t m -> Right (t,m); _ -> Left s)
+  (either pure $ fmap (uncurry Privmsg)) . right'
+
+-- | 'Prism' for 'Notice'
+_Notice :: Prism' (Message a) (Target a, Either CTCPByteString a)
+{-# INLINE _Notice #-}
+_Notice = dimap
+  (\s -> case s of Notice t m -> Right (t,m); _ -> Left s)
+  (either pure $ fmap (uncurry Notice)) . right'
+
+-- | 'Prism' for 'Nick'
+_Nick :: Prism' (Message a) (NickName a)
+{-# INLINE _Nick #-}
+_Nick = dimap
+  (\s -> case s of Nick n -> Right n; _ -> Left s)
+  (either pure $ fmap Nick) . right'
+
+-- | 'Prism' for 'Join'
+_Join :: Prism' (Message a) (ChannelName a)
+{-# INLINE _Join #-}
+_Join = dimap
+  (\s -> case s of Join c -> Right c; _ -> Left s)
+  (either pure $ fmap Join) . right'
+
+-- | 'Prism' for 'Part'
+_Part :: Prism' (Message a) (ChannelName a, Reason a)
+{-# INLINE _Part #-}
+_Part = dimap
+  (\s -> case s of Part c r -> Right (c,r); _ -> Left s)
+  (either pure $ fmap (uncurry Part)) . right'
+
+-- | 'Prism' for 'Quit'
+_Quit :: Prism' (Message a) (Reason a)
+{-# INLINE _Quit #-}
+_Quit = dimap
+  (\s -> case s of Quit r -> Right r; _ -> Left s)
+  (either pure $ fmap Quit) . right'
+
+-- | 'Prism' for 'Mode'
+_Mode :: Prism' (Message a) (Target a, IsModeSet, [ModeFlag a], [ModeArg a])
+{-# INLINE _Mode #-}
+_Mode = dimap
+  (\s -> case s of Mode t i f a -> Right (t,i,f,a); _ -> Left s)
+  (either pure $ fmap (\(t,i,f,a) -> Mode t i f a)) . right'
+
+-- | 'Prism' for 'Topic'
+_Topic :: Prism' (Message a) (ChannelName a, a)
+{-# INLINE _Topic #-}
+_Topic = dimap
+  (\s -> case s of Topic c t -> Right (c,t); _ -> Left s)
+  (either pure $ fmap (uncurry Topic)) . right'
+
+-- | 'Prism' for 'Invite'
+_Invite :: Prism' (Message a) (ChannelName a, NickName a)
+{-# INLINE _Invite #-}
+_Invite = dimap
+  (\s -> case s of Invite c n -> Right (c,n); _ -> Left s)
+  (either pure $ fmap (uncurry Invite)) . right'
+
+-- | 'Prism' for 'Kick'
+_Kick :: Prism' (Message a) (ChannelName a, NickName a, Reason a)
+{-# INLINE _Kick #-}
+_Kick = dimap
+  (\s -> case s of Kick c n r -> Right (c,n,r); _ -> Left s)
+  (either pure $ fmap (\(c,n,r) -> Kick c n r)) . right'
+
+-- | 'Prism' for 'Ping'
+_Ping :: Prism' (Message a) (ServerName a, Maybe (ServerName a))
+{-# INLINE _Ping #-}
+_Ping = dimap
+  (\s -> case s of Ping x y -> Right (x,y); _ -> Left s)
+  (either pure $ fmap (uncurry Ping)) . right'
+
+-- | 'Prism' for 'Pong'
+_Pong :: Prism' (Message a) (ServerName a)
+{-# INLINE _Pong #-}
+_Pong = dimap
+  (\s -> case s of Pong x -> Right x; _ -> Left s)
+  (either pure $ fmap Pong) . right'
+
+-- | 'Prism' for 'Numeric'
+_Numeric :: Prism' (Message a) (Int, [NumericArg a])
+{-# INLINE _Numeric #-}
+_Numeric = dimap
+  (\s -> case s of Numeric n a -> Right (n,a); _ -> Left s)
+  (either pure $ fmap (uncurry Numeric)) . right'
+
+-- | 'Prism' for 'RawMsg'
+_RawMsg :: Prism' (Message a) a
+{-# INLINE _RawMsg #-}
+_RawMsg = dimap
+  (\s -> case s of RawMsg a -> Right a; _ -> Left s)
+  (either pure $ fmap RawMsg) . right'