Hello Wolfgang,
Saturday, July 09, 2005, 7:01:06 PM, you wrote:
>> > As part of my diploma thesis, I'm working on a small collection of modules
>> > which provides safe I/O interleaving. The key point is to split the state
>> > of the world since I/O on different parts of the world can be interl
Hello Wolfgang,
Friday, July 08, 2005, 11:55:48 PM, you wrote:
WJ> As part of my diploma thesis, I'm working on a small collection of modules
WJ> which provides safe I/O interleaving. The key point is to split the state
of
WJ> the world since I/O on different parts of the world can be interle
Hello Andrew,
Friday, July 08, 2005, 8:43:02 PM, you wrote:
AP> It is one thing to embrace lazy evaluation order, and another to embrace
AP> lazy IO (implemented using unsafeInterleaveIO). As a relative newcomer
AP> to Haskell, I got the impression that the "interact" style was always a
AP> hack,
Hello Christian,
Thursday, July 07, 2005, 6:55:13 PM, you wrote:
CM> Could you also insert a prompt that is shown before the lines are read?
CM> (The first prompt seems to be tricky assuming line buffering )
import System.IO
main = do
hSetBuffering stdin LineBuffering
hSetBuffering stdout
Hello Colin,
Thursday, July 07, 2005, 4:33:39 PM, you wrote:
>>>type FilterProgram = [Line] -> [Line]
CR> interact :: (String -> String) -> IO ()
and there is lines and unlines functions to do just what yopu need
example: main = interact (unlines.filter(not.null).lines)
--
Best regards,
