Skip to content

HORIZON HASKELL Docs lts/ghc-10.0.x2b276322026-10-31Search packagesCtrl K

Theme: |

GHC 10.0.0.20260917 · lts/ghc-10.0.x · 2b27632 · 2026-10-31

Modulebase-compat-0.15.0Haskell2010

Text.Read.Lex.Compat

Synopsis

value expect
value hsLex
value isSymbolChar
value lex
value lexChar
value numberToFixed
value numberToInteger
value numberToRangedRational
value numberToRational
value readBinP
value readDecP
value readHexP
value readIntP
value readOctP
data Lexeme
data Number
value readBinP

Packagebase-compat-0.15.0
Exports17
LanguageHaskell2010
LicenceMIT
SourceLex.hs

valueexpect :: Lexeme -> ReadP ()

valuehsLex :: ReadP String

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

valueisSymbolChar :: Char -> Bool

valuelex :: ReadP Lexeme

valuelexChar :: ReadP Char

valuenumberToFixed :: Integer -> Number -> Maybe (Integer, Integer)

valuenumberToInteger :: Number -> Maybe Integer

valuenumberToRangedRational :: (Int, Int) -> Number -> Maybe Rational

valuenumberToRational :: Number -> Rational

valuereadBinP :: (Eq a, Num a) => ReadP a

valuereadDecP :: (Eq a, Num a) => ReadP a

valuereadHexP :: (Eq a, Num a) => ReadP a

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

valuereadOctP :: (Eq a, Num a) => ReadP a

datadata Lexeme

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

Instances3Eq, Read, Show

Eq LexemeDefined in ghc-internal-10.0.0 · GHC.Internal.Text.Read.Lex
Read LexemeDefined in ghc-internal-10.0.0 · GHC.Internal.Read
Show LexemeDefined in ghc-internal-10.0.0 · GHC.Internal.Text.Read.Lex

datadata Number

Instances2Eq, Show

Eq NumberDefined in ghc-internal-10.0.0 · GHC.Internal.Text.Read.Lex
Show NumberDefined in ghc-internal-10.0.0 · GHC.Internal.Text.Read.Lex

valuereadBinP :: (Eq a, Num a) => ReadP a