Hermes-0.0.3: Message-based middleware layer Source code Contents Index

Network.Hermes.Misc

Description

Miscellaneous functions. Not really for public consumption.

Synopsis

ghead :: (Data x, Typeable y) => x -> y byteStringToInteger :: ByteString -> Integer runTMVar :: TMVar s -> StateT s IO a -> IO a throwM :: (MonadIO m, Exception e) => e -> m a modifyTVar :: TVar a -> (a -> a) -> STM () type Type = String showType :: Typeable a => a -> Type trapForkIO :: String -> IO () -> IO ThreadId rsaEncrypt :: RandomGen g => g -> PublicKey -> ByteString -> (ByteString, g) rsaDecrypt :: PrivateKey -> ByteString -> ByteString rsaVerify :: PublicKey -> ByteString -> ByteString -> Bool rsaSign :: PrivateKey -> ByteString -> ByteString swap :: Ord k => k -> v -> Map k v -> (Maybe v, Map k v) listenTVar :: Eq a => TVar a -> (a -> IO ()) -> IO ThreadId adjustWithDefault :: Ord k => a -> (a -> a) -> k -> Map k a -> Map k a

Documentation

ghead :: (Data x, Typeable y) => x -> y Source

byteStringToInteger :: ByteString -> Integer Source

runTMVar :: TMVar s -> StateT s IO a -> IO a Source

throwM :: (MonadIO m, Exception e) => e -> m a Source

modifyTVar :: TVar a -> (a -> a) -> STM () Source

type Type = String Source

Our notion of types: A shown Typeable.

showType :: Typeable a => a -> Type Source

trapForkIO :: String -> IO () -> IO ThreadId Source

Logs any unhandled exceptions

rsaEncrypt :: RandomGen g => g -> PublicKey -> ByteString -> (ByteString, g) Source

Encryption stuff

rsaDecrypt :: PrivateKey -> ByteString -> ByteString Source

rsaVerify :: PublicKey -> ByteString -> ByteString -> Bool Source

rsaSign :: PrivateKey -> ByteString -> ByteString Source

swap :: Ord k => k -> v -> Map k v -> (Maybe v, Map k v) Source

Swap values in a Map. Returns the old value, if any.

listenTVar :: Eq a => TVar a -> (a -> IO ()) -> IO ThreadId Source

Executes an action once for each value of the TVar. May skip values if it changes quickly.

adjustWithDefault :: Ord k => a -> (a -> a) -> k -> Map k a -> Map k a Source

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