>
> options :: [OptDescr Flag]
> options =
-> [ Option [\'v\'] [\"verbose\"] (NoArg Verbose) \"chatty output on stderr\"
-> , Option [\'V\',\'?\'] [\"version\"] (NoArg Version) \"show version number\"
-> , Option [\'o\'] [\"output\"] (OptArg outp \"FILE\") \"output FILE\"
-> , Option [\'c\'] [] (OptArg inp \"FILE\") \"input FILE\"
-> , Option [\'L\'] [\"libdir\"] (ReqArg LibDir \"DIR\") \"library directory\"
+> [ Option ['v'] ["verbose"] (NoArg Verbose) "chatty output on stderr"
+> , Option ['V','?'] ["version"] (NoArg Version) "show version number"
+> , Option ['o'] ["output"] (OptArg outp "FILE") "output FILE"
+> , Option ['c'] [] (OptArg inp "FILE") "input FILE"
+> , Option ['L'] ["libdir"] (ReqArg LibDir "DIR") "library directory"
> ]
>
> inp,outp :: Maybe String -> Flag
-> outp = Output . fromMaybe \"stdout\"
-> inp = Input . fromMaybe \"stdout\"
+> outp = Output . fromMaybe "stdout"
+> inp = Input . fromMaybe "stdout"
>
> compilerOpts :: [String] -> IO ([Flag], [String])
> compilerOpts argv =
> case (getOpt Permute options argv) of
> (o,n,[] ) -> return (o,n)
> (_,_,errs) -> failIO (concat errs ++ usageInfo header options)
-> where header = \"Usage: ic [OPTION...] files...\"
+> where header = "Usage: ic [OPTION...] files..."
-}