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1. unSqlReadBackend :: SqlReadBackend -> SqlBackend

   persistent-mtl	Database.Persist.Sql.Shim

   No documentation available.

2. class (PersistCore backend, PersistStoreRead backend) => PersistQueryRead backend

   persistent-redis	Database.Persist.Redis

   Backends supporting conditional read operations.

3. class (Show BackendKey backend, Read BackendKey backend, Eq BackendKey backend, Ord BackendKey backend, PersistCore backend, PersistField BackendKey backend, ToJSON BackendKey backend, FromJSON BackendKey backend) => PersistStoreRead backend

   persistent-redis	Database.Persist.Redis

   No documentation available.

4. class PersistStoreRead backend => PersistUniqueRead backend

   persistent-redis	Database.Persist.Redis

   Queries against Unique keys (other than the id Key). Please read the general Persistent documentation to learn how to create Unique keys. Using this with an Entity without a Unique key leads to undefined behavior. A few of these functions require a single Unique, so using an Entity with multiple Uniques is also undefined. In these cases persistent's goal is to throw an exception as soon as possible, but persistent is still transitioning to that. SQL backends automatically create uniqueness constraints, but for MongoDB you must manually place a unique index on a field to have a uniqueness constraint.

5. FlushRead :: PtyControlCode

   posix-pty	System.Posix.Pty

   Terminal read queue was flushed.

6. threadWaitReadPty :: Pty -> IO ()

   posix-pty	System.Posix.Pty

   Equivalent to threadWaitRead.

7. threadWaitReadPtySTM :: Pty -> IO (STM (), IO ())

   posix-pty	System.Posix.Pty

   Equivalent to threadWaitReadSTM.

8. threadWaitWritePty :: Pty -> IO ()

   posix-pty	System.Posix.Pty

   Equivalent to threadWaitWrite.

9. threadWaitWritePtySTM :: Pty -> IO (STM (), IO ())

   posix-pty	System.Posix.Pty

   Equivalent to threadWaitWriteSTM.

10. tryReadPty :: Pty -> IO (Either [PtyControlCode] ByteString)

    posix-pty	System.Posix.Pty

    Attempt to read data from a pseudo terminal. Produces either the data read or a list of PtyControlCodes indicating which control status events that have happened on the slave terminal. Throws an IOError of type eofErrorType when the terminal has been closed, for example when the subprocess has terminated.

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