On Mon, 23 Apr 2012 09:59:24 +0300 (FET) Sergei Trofimovich <sly...@gmail.com> wrote:
> 1 patch for repository http://code.haskell.org/gstreamer: > > Mon Apr 23 09:58:12 FET 2012 Sergei Trofimovich > <sly...@community.haskell.org> > * fix build failure on ghc-7.4 (Eq constraints) > > Media/Streaming/GStreamer/Core/Buffer.chs:216:13: > Could not deduce (Eq numT) arising from a use of `/=' > from the context (BufferClass bufferT, Integral intT, Num numT) > bound by the type signature for > marshalGetNum :: (BufferClass bufferT, Integral intT, Num > numT) => > (Ptr Buffer -> IO intT) -> numT -> > bufferT -> Maybe numT > at Media/Streaming/GStreamer/Core/Buffer.chs:(213,1)-(218,22) > Possible fix: > add (Eq numT) to the context of > the type signature for > marshalGetNum :: (BufferClass bufferT, Integral intT, Num numT) => > (Ptr Buffer -> IO intT) -> numT -> bufferT -> Maybe numT > In the expression: n /= invalid > In the expression: if n /= invalid then Just n else Nothing > In the expression: > let > n = fromIntegral > $ unsafePerformIO $ withMiniObject (toBuffer buffer) > getAction > in if n /= invalid then Just n else Nothing *cough* :] -- Sergei
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