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Showing content from http://hackage.haskell.org/package/base/docs/Text-ParserCombinators-ReadPrec.html below:

Text.ParserCombinators.ReadPrec

Documentation

data ReadPrec a Source #

Instances Instances details Alternative ReadPrec Source #

Since: base-4.6.0.0

Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

empty :: ReadPrec a Source #

(<|>) :: ReadPrec a -> ReadPrec a -> ReadPrec a Source #

some :: ReadPrec a -> ReadPrec [a] Source #

many :: ReadPrec a -> ReadPrec [a] Source #

Applicative ReadPrec Source #

Since: base-4.6.0.0

Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

pure :: a -> ReadPrec a Source #

(<*>) :: ReadPrec (a -> b) -> ReadPrec a -> ReadPrec b Source #

liftA2 :: (a -> b -> c) -> ReadPrec a -> ReadPrec b -> ReadPrec c Source #

(*>) :: ReadPrec a -> ReadPrec b -> ReadPrec b Source #

(<*) :: ReadPrec a -> ReadPrec b -> ReadPrec a Source #

Functor ReadPrec Source #

Since: base-2.1

Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

fmap :: (a -> b) -> ReadPrec a -> ReadPrec b Source #

(<$) :: a -> ReadPrec b -> ReadPrec a Source #

Monad ReadPrec Source #

Since: base-2.1

Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

(>>=) :: ReadPrec a -> (a -> ReadPrec b) -> ReadPrec b Source #

(>>) :: ReadPrec a -> ReadPrec b -> ReadPrec b Source #

return :: a -> ReadPrec a Source #

MonadPlus ReadPrec Source #

Since: base-2.1

Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

mzero :: ReadPrec a Source #

mplus :: ReadPrec a -> ReadPrec a -> ReadPrec a Source #

MonadFail ReadPrec Source #

Since: base-4.9.0.0

Instance details

Defined in GHC.Internal.Text.ParserCombinators.ReadPrec

Methods

fail :: String -> ReadPrec a Source #

Precedences

type Prec = Int Source #

minPrec :: Prec Source #

Precedence operations

lift :: ReadP a -> ReadPrec a Source #

Lift a precedence-insensitive ReadP to a ReadPrec.

prec :: Prec -> ReadPrec a -> ReadPrec a Source #

(prec n p) checks whether the precedence context is less than or equal to n, and

if not, fails
if so, parses p in context n.

step :: ReadPrec a -> ReadPrec a Source #

Increases the precedence context by one.

reset :: ReadPrec a -> ReadPrec a Source #

Resets the precedence context to zero.

Other operations

All are based directly on their similarly-named ReadP counterparts.

get :: ReadPrec Char Source #

Consumes and returns the next character. Fails if there is no input left.

look :: ReadPrec String Source #

Look-ahead: returns the part of the input that is left, without consuming it.

(+++) :: ReadPrec a -> ReadPrec a -> ReadPrec a Source #

Symmetric choice.

(<++) :: ReadPrec a -> ReadPrec a -> ReadPrec a Source #

Local, exclusive, left-biased choice: If left parser locally produces any result at all, then right parser is not used.

pfail :: ReadPrec a Source #

Always fails.

choice :: [ReadPrec a] -> ReadPrec a Source #

Combines all parsers in the specified list.

Converters

readPrec_to_P :: ReadPrec a -> Int -> ReadP a Source #

readP_to_Prec :: (Int -> ReadP a) -> ReadPrec a Source #

readPrec_to_S :: ReadPrec a -> Int -> ReadS a Source #

readS_to_Prec :: (Int -> ReadS a) -> ReadPrec a Source #

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