+++ /dev/null
-import IO -- 1.3
-
-main =
- accumulate (map hIsOpen [stdin, stdout, stderr]) >>= \ opens ->
- print opens >>
- accumulate (map hIsClosed [stdin, stdout, stderr]) >>= \ closeds ->
- print closeds >>
- accumulate (map hIsReadable [stdin, stdout, stderr]) >>= \ readables ->
- print readables >>
- accumulate (map hIsWritable [stdin, stdout, stderr]) >>= \ writables ->
- print writables >>
- accumulate (map hIsBlockBuffered [stdin, stdout, stderr]) >>= \ buffereds ->
- print buffereds >>
- accumulate (map hIsLineBuffered [stdin, stdout, stderr]) >>= \ buffereds ->
- print buffereds >>
- accumulate (map hIsNotBuffered [stdin, stdout, stderr]) >>= \ buffereds ->
- print buffereds
- where
- -- these didn't make it into 1.3
- hIsBlockBuffered h = hGetBuffering h >>= \ b -> return $ case b of { BlockBuffering _ -> True; _ -> False }
- hIsLineBuffered h = hGetBuffering h >>= \ b -> return $ case b of { LineBuffering -> True; _ -> False }
- hIsNotBuffered h = hGetBuffering h >>= \ b -> return $ case b of { NoBuffering -> True; _ -> False }