Takusen-0.8.3: Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC. Source code Contents Index

Control.Exception.MonadIO

Documentation

class MonadIO m => CaughtMonadIO m where Source

Methods gcatch :: m a -> (Exception -> m a) -> m a Source gcatchJust :: (Exception -> Maybe b) -> m a -> (b -> m a) -> m a Source Instances CaughtMonadIO IO CaughtMonadIO m => CaughtMonadIO (ReaderT a m) ISession si => CaughtMonadIO (DBM mark si)

gtry :: CaughtMonadIO m => m b -> m (Either Exception b) Source

gtryJust :: CaughtMonadIO m => (Exception -> Maybe b) -> m b1 -> m (Either b b1) Source

gbracket :: CaughtMonadIO m => m t -> (t -> m a) -> (t -> m b) -> m b Source

gfinally :: CaughtMonadIO m => m t -> m a -> m t Source

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