Data.Conduit.Shell.Types

All types.

Documentation

type Chunk = Either ByteString ByteString

A chunk, either stdout/stdin or stderr. Used for both input and output.

data ChunkType

Either stdout or stderr.

Constructors

Stderr

Stderr.

Stdout

Stdin or stdout.

Instances

Bounded ChunkType

Enum ChunkType

Eq ChunkType

newtype ShellT m a

Shell transformer.

Constructors

ShellT

Fields

runShellT :: ResourceT m a

Instances

MonadTrans ShellT

(MonadThrow m, MonadIO m, MonadBaseControl IO m) => MonadBaseControl IO (ShellT m)

Dumb instance.

MonadResourceBase m => MonadBase IO (ShellT m)

Monad m => Monad (ShellT m)

Functor m => Functor (ShellT m)

Applicative m => Applicative (ShellT m)

MonadThrow m => MonadThrow (ShellT m)

MonadIO m => MonadIO (ShellT m)

MonadResourceBase m => MonadResource (ShellT m)

(MonadBaseControl IO (ShellT m), Applicative m, MonadThrow m) => Alternative (ConduitM i o (ShellT m))

Intentionally only handles ShellException. Use normal exception handling to handle usual exceptions.

data StM (ShellT m) = StMShell {

• unStMGeoServer :: StM (ResourceT m) a

}

data ShellException

An exception resulting from a shell command.

Constructors

ShellEmpty

For mempty.

ShellExitFailure !Int

Process exited with failure.

Instances

Show ShellException

Exception ShellException

Typeable * ShellException