Portability	non-portable (uses Text.ParserCombinators.ReadP)
Stability	provisional
Maintainer	libraries@haskell.org
Safe Haskell	Trustworthy

Text.Read.Lex

Description

The cut-down Haskell lexer, used by Text.Read

Synopsis

Documentation

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. `>>`, `:%`
Int Integer	Integer literal
Rat Rational	Floating point literal
EOF

Instances

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

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