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Showing content from http://hackage.haskell.org/packages/archive/base/4.6.0.0/doc/html/Text-Read-Lex.html below:

Text.Read.Lex

Documentation

data Lexeme Source

Haskell lexemes.

Constructors

Char Char

Character literal

String String

String literal, with escapes interpreted

Punc String

Punctuation or reserved symbol, e.g. (, ::

Ident String

Haskell identifier, e.g. foo, Baz

Symbol String

Haskell symbol, e.g. >>, :%

Number Number   EOF  

Instances

Eq Lexeme   Read Lexeme   Show Lexeme  

numberToInteger :: Number -> Maybe IntegerSource

numberToRational :: Number -> RationalSource

numberToRangedRational :: (Int, Int) -> Number -> Maybe RationalSource

lex :: ReadP LexemeSource

hsLex :: ReadP StringSource

Haskell lexer: returns the lexed string, rather than the lexeme

lexChar :: ReadP CharSource

readIntP :: Num a => a -> (Char -> Bool) -> (Char -> Int) -> ReadP aSource

readOctP :: (Eq a, Num a) => ReadP aSource

readDecP :: (Eq a, Num a) => ReadP aSource

readHexP :: (Eq a, Num a) => ReadP aSource

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