conduit-1.3.1: Streaming data processing library.

Safe Haskell | Trustworthy
Language | Haskell98

Data.Conduit.Internal.Fusion

Contents

- Types
- Functions

Synopsis

- data Step s o r
  - = Emit s o
  - | Skip s
  - | Stop r
- data Stream m o r = forall s. Stream (s -> m (Step s o r)) (m s)
- data ConduitWithStream i o m r
- type StreamConduitT i o m r = Stream m i () -> Stream m o r
- type StreamConduit i m o = StreamConduitT i o m ()
- type StreamSource m o = StreamConduitT () o m ()
- type StreamProducer m o = forall i. StreamConduitT i o m ()
- type StreamSink i m r = StreamConduitT i Void m r
- type StreamConsumer i m r = forall o. StreamConduitT i o m r
- streamConduit :: ConduitT i o m r -> (Stream m i () -> Stream m o r) -> ConduitWithStream i o m r
- streamSource :: Monad m => Stream m o () -> ConduitWithStream i o m ()
- streamSourcePure :: Monad m => Stream Identity o () -> ConduitWithStream i o m ()
- unstream :: ConduitWithStream i o m r -> ConduitT i o m r

## Types

data Step s o r #

This is the same as stream fusion's Step. Constructors are renamed to avoid confusion with conduit names.

Constructors

Emit s o |
Skip s |
Stop r |

#### Instances

Instances details

Functor (Step s o) # |
Instance details Defined in Data.Conduit.Internal.Fusion Methods fmap :: (a -> b) -> Step s o a -> Step s o b # (<$) :: a -> Step s o b -> Step s o a #

data Stream m o r #

Constructors

forall s. Stream (s -> m (Step s o r)) (m s) |

data ConduitWithStream i o m r #

type StreamConduitT i o m r = Stream m i () -> Stream m o r #

type StreamConduit i m o = StreamConduitT i o m () #

type StreamSource m o = StreamConduitT () o m () #

type StreamProducer m o = forall i. StreamConduitT i o m () #

type StreamSink i m r = StreamConduitT i Void m r #

type StreamConsumer i m r = forall o. StreamConduitT i o m r #

## Functions

streamConduit :: ConduitT i o m r -> (Stream m i () -> Stream m o r) -> ConduitWithStream i o m r #

streamSource :: Monad m => Stream m o () -> ConduitWithStream i o m () #

streamSourcePure :: Monad m => Stream Identity o () -> ConduitWithStream i o m () #

unstream :: ConduitWithStream i o m r -> ConduitT i o m r #