definition module EdFile // reading and writing text files import StdError, StdMaybe from StdFile import class FileSystem from EdText import :: Text from UtilNewlinesFile import :: NewlineConvention readText :: !String !*env -> ((Error Text,NewlineConvention,Bool), !*env) | FileSystem env writeText :: !String !NewlineConvention !Text !*env -> (Maybe String, !*env) | FileSystem env