CabalFmt.Monad

Copyright: Oleg Grenrus

Monad class

class (HasOptions r, MonadReader r m, MonadError Error m) => MonadCabalFmt r m | m -> r where

cabal-fmt interface.

• reader of Options
• errors of Error
• can list directories

Methods

listDirectory :: FilePath -> m [FilePath]

doesDirectoryExist :: FilePath -> m Bool

displayWarning :: String -> m ()

Instances

MonadCabalFmt Options CabalFmt

Defined in CabalFmt.Monad

Methods

listDirectory :: FilePath -> CabalFmt [FilePath]

doesDirectoryExist :: FilePath -> CabalFmt Bool

displayWarning :: String -> CabalFmt ()

getFiles :: MonadCabalFmt r m => FilePath -> m [FilePath]

Pure implementation

data CabalFmt a

Pure MonadCabalFmt.

listDirectory always return empty list.

Instances

Monad CabalFmt

Defined in CabalFmt.Monad

Methods

(>>=) :: CabalFmt a -> (a -> CabalFmt b) -> CabalFmt b

(>>) :: CabalFmt a -> CabalFmt b -> CabalFmt b

return :: a -> CabalFmt a

fail :: String -> CabalFmt a

Functor CabalFmt

Defined in CabalFmt.Monad

Methods

fmap :: (a -> b) -> CabalFmt a -> CabalFmt b

(<$) :: a -> CabalFmt b -> CabalFmt a

Applicative CabalFmt

Defined in CabalFmt.Monad

Methods

pure :: a -> CabalFmt a

(<*>) :: CabalFmt (a -> b) -> CabalFmt a -> CabalFmt b

liftA2 :: (a -> b -> c) -> CabalFmt a -> CabalFmt b -> CabalFmt c

(*>) :: CabalFmt a -> CabalFmt b -> CabalFmt b

(<*) :: CabalFmt a -> CabalFmt b -> CabalFmt a

MonadReader Options CabalFmt

Defined in CabalFmt.Monad

Methods

ask :: CabalFmt Options

local :: (Options -> Options) -> CabalFmt a -> CabalFmt a

reader :: (Options -> a) -> CabalFmt a

MonadError Error CabalFmt

Defined in CabalFmt.Monad

Methods

throwError :: Error -> CabalFmt a

catchError :: CabalFmt a -> (Error -> CabalFmt a) -> CabalFmt a

MonadCabalFmt Options CabalFmt

Defined in CabalFmt.Monad

Methods

listDirectory :: FilePath -> CabalFmt [FilePath]

doesDirectoryExist :: FilePath -> CabalFmt Bool

displayWarning :: String -> CabalFmt ()

runCabalFmt :: Options -> CabalFmt a -> Either Error a

IO implementation

data CabalFmtIO a

Instances

Monad CabalFmtIO

Defined in CabalFmt.Monad

Methods

(>>=) :: CabalFmtIO a -> (a -> CabalFmtIO b) -> CabalFmtIO b

(>>) :: CabalFmtIO a -> CabalFmtIO b -> CabalFmtIO b

return :: a -> CabalFmtIO a

fail :: String -> CabalFmtIO a

Functor CabalFmtIO

Defined in CabalFmt.Monad

Methods

fmap :: (a -> b) -> CabalFmtIO a -> CabalFmtIO b

(<$) :: a -> CabalFmtIO b -> CabalFmtIO a

Applicative CabalFmtIO

Defined in CabalFmt.Monad

Methods

pure :: a -> CabalFmtIO a

(<*>) :: CabalFmtIO (a -> b) -> CabalFmtIO a -> CabalFmtIO b

liftA2 :: (a -> b -> c) -> CabalFmtIO a -> CabalFmtIO b -> CabalFmtIO c

(*>) :: CabalFmtIO a -> CabalFmtIO b -> CabalFmtIO b

(<*) :: CabalFmtIO a -> CabalFmtIO b -> CabalFmtIO a

MonadIO CabalFmtIO

Defined in CabalFmt.Monad

Methods

liftIO :: IO a -> CabalFmtIO a

MonadError Error CabalFmtIO

Defined in CabalFmt.Monad

Methods

throwError :: Error -> CabalFmtIO a

catchError :: CabalFmtIO a -> (Error -> CabalFmtIO a) -> CabalFmtIO a

runCabalFmtIO :: Maybe FilePath -> Options -> CabalFmtIO a -> IO (Either Error a)