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sseveran/gist:3430089

Created August 22, 2012 22:29
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Exception Scoping 3
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gistfile1.hs
safeCatch :: (Exception e, NFData a) => IO a -> (e -> IO a) -> IO a
safeCatch func handler = catch eval handler where
eval = do
x <- func
rnf x `seq` return $! x
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