parsec-3.1.18.0: Monadic parser combinators
Copyright(c) Antoine Latter 2011
LicenseBSD-style (see the file libraries/parsec/LICENSE)
Maintaineraslatter@gmail.com
Stabilityprovisional
Portabilityportable
Safe HaskellSafe
LanguageHaskell2010

Text.Parsec.Text.Lazy

Description

Convenience definitions for working with lazy Text.

Synopsis

Documentation

parseFromFile :: Parser a -> FilePath -> IO (EitherParseError a) Source#

parseFromFile p filePath runs a strict text parser p on the input read from filePath using readFile. Returns either a ParseError (Left) or a value of type a (Right).

 main = do{ result <- parseFromFile numbers "digits.txt" ; case result of Left err -> print err Right xs -> print (sum xs) }

Since: 3.1.14.0

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