-
Notifications
You must be signed in to change notification settings - Fork 104
/
bingtranslator.hs
42 lines (31 loc) · 1.15 KB
/
bingtranslator.hs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
{-# LANGUAGE PatternGuards #-}
import Control.Concurrent
import Control.Exception
import Control.Monad
import Text.Printf
import qualified Data.ByteString.UTF8 as UTF8
import qualified Data.ByteString.Char8 as B
import System.Environment
import Prelude hiding (catch)
import BingTranslate as Bing
main = do
[text] <- fmap (fmap (B.unpack . UTF8.fromString)) getArgs
languages <- Bing.getLanguages
fromLang <- Bing.detectLanguage text
printf "\"%s\" appears to be in language \"%s\"\n" text fromLang
forM_ (filter (/= fromLang) languages) $ \toLang -> do
str <- Bing.translateText text fromLang toLang
printf "%s: %s\n" toLang str
-----------------------------------------------------------------------------
-- Our Async API:
data Async a = Async ThreadId (MVar (Either SomeException a))
async :: IO a -> IO (Async a)
async action = do
var <- newEmptyMVar
t <- forkIO ((do r <- action; putMVar var (Right r))
`catch` \e -> putMVar var (Left e))
return (Async t var)
wait :: Async a -> IO (Either SomeException a)
wait (Async t var) = readMVar var
cancel :: Async a -> IO ()
cancel (Async t var) = throwTo t ThreadKilled