Safe Haskell	Safe-Inferred
Language	Haskell2010

HIndent.Printer

Description

Printer types.

Synopsis

Documentation

A pretty printing monad.

Constructors

Printer
Fields runPrinter :: StateT PrintState (MaybeT Identity) a

Instances details

Alternative Printer Source #
Instance details Defined in HIndent.Printer Methods empty :: Printer a # (<\|>) :: Printer a -> Printer a -> Printer a # some :: Printer a -> Printer [a] # many :: Printer a -> Printer [a] #
Applicative Printer Source #
Instance details Defined in HIndent.Printer Methods pure :: a -> Printer a # (<>) :: Printer (a -> b) -> Printer a -> Printer b # liftA2 :: (a -> b -> c) -> Printer a -> Printer b -> Printer c # (>) :: Printer a -> Printer b -> Printer b # (<*) :: Printer a -> Printer b -> Printer a #
Functor Printer Source #
Instance details Defined in HIndent.Printer Methods fmap :: (a -> b) -> Printer a -> Printer b # (<$) :: a -> Printer b -> Printer a #
Monad Printer Source #
Instance details Defined in HIndent.Printer Methods (>>=) :: Printer a -> (a -> Printer b) -> Printer b # (>>) :: Printer a -> Printer b -> Printer b # return :: a -> Printer a #
MonadPlus Printer Source #
Instance details Defined in HIndent.Printer Methods mzero :: Printer a # mplus :: Printer a -> Printer a -> Printer a #
MonadState PrintState Printer Source #
Instance details Defined in HIndent.Printer Methods get :: Printer PrintState # put :: PrintState -> Printer () # state :: (PrintState -> (a, PrintState)) -> Printer a #

The state of the pretty printer.

Constructors

Fields

psIndentLevel :: !Int64
Current indentation level, i.e. every time there's a new-line, output this many spaces.
psOutput :: !Builder
The current output bytestring builder.
psNewline :: !Bool
Just outputted a newline?
psColumn :: !Int64
Current column.
psLine :: !Int64
Current line number.
psConfig :: !Config
Configuration of max colums and indentation style.
psFitOnOneLine :: !Bool
Bail out if we need to print beyond the current line or the maximum column.
psEolComment :: !Bool

Instances details

MonadState PrintState Printer Source #
Instance details Defined in HIndent.Printer Methods get :: Printer PrintState # put :: PrintState -> Printer () # state :: (PrintState -> (a, PrintState)) -> Printer a #