Blockchain.Database.KeyVal

Documentation

class Monad m => PointedKeyValDB m a b c t | c -> t where

Minimal complete definition

getKV, putKV, deleteKV, emptyKV

Methods

getKV :: Monad m => a -> m (Maybe b)

putKV :: Monad m => (a, b) -> m c

deleteKV :: Monad m => a -> m c

emptyKV :: Monad m => t -> m c

Instances

(Monad m, MonadBaseControl IO m, MonadThrow m, MonadIO m) => PointedKeyValDB (KeyValMPLevelDB m) Key Val MPDB String

Methods

getKV :: Key -> KeyValMPLevelDB m (Maybe Val)

putKV :: (Key, Val) -> KeyValMPLevelDB m MPDB

deleteKV :: Key -> KeyValMPLevelDB m MPDB

emptyKV :: String -> KeyValMPLevelDB m MPDB

type KeyValMPLevelDB m = StateT MPDB (ResourceT m)

type KeyValMPMap m = StateT MPMem m