Hello Rafal, Sunday, September 21, 2008, 5:43:14 PM, you wrote:
> withImageSurfaceFromPNG file $ \png -> do > w <- renderWith png $ imageSurfaceGetWidth png > h <- renderWith png $ imageSurfaceGetHeight png this is very idiomatic Haskell, consider it as a sort of RAII. you may even omit additional tab here: > withImageSurfaceFromPNG file $ \png -> do > w <- renderWith png $ imageSurfaceGetWidth png > h <- renderWith png $ imageSurfaceGetHeight png > ... afair, Render is a super-IO monad so you can just lift any IO operation to Render: x <- liftIO$ imageSurfaceCreateFromPNG file -- Best regards, Bulat mailto:[EMAIL PROTECTED] _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
