Thanks. Clause? regards, Vasili
On Mon, Jun 9, 2008 at 12:54 AM, Bulat Ziganshin <[EMAIL PROTECTED]> wrote: > Hello Vasili, > > Monday, June 9, 2008, 6:17:14 AM, you wrote: > > 1. standard place to import FunPtr from is Foreign.Ptr, not System.Posix > 2. FunPtr is exported as abstract type, without constructors. you > can't construct values of this type directly. instead you should use > "wrapper" generators as in the example that Clause has wrote. read it > carefully :) > > > > Hello, > > > I am getting what is to me a mysterious error in a test case that I > am writing: > > [EMAIL PROTECTED]:~/FTP/Haskell/unix-2.2.0.0/tests/timer$ runhaskell > Setup.lhs build > > Preprocessing executables for Test-1.0... > > Building Test-1.0... > > [1 of 1] Compiling Main ( ./timer.hs, > > dist/build/timer/timer-tmp/Main.o ) > > > ./timer.hs:11:45: Not in scope: data constructor `FunPtr' > > > It seems like the compiler is complaining about the lack of FunPtr > > in it's symbol table but System.Posix is imported: > > > > module Main where > > > import System.Posix > > import Foreign > > import Foreign.C > > import Foreign.Ptr > > > main = do > > > let event = Sigevent{sigevFunction=(FunPtr (notifyFunc))} > <<<<<< error here > > > > timerId <- timerCreate Clock_Realtime Nothing > > > timerDelete timerId > > > return () > > > notifyFunc :: Sigval -> IO () > > notifyFunc sigval = do > > putStrLn "timer POP!!!!!!!" > > return () > > > I am probably looking right at the answer and not seeing it. ?? > > > Thanks, Vasili > > > > > > > > -- > Best regards, > Bulat mailto:[EMAIL PROTECTED] > >
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