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sevanspowell/AsyncExc.hs

Created April 30, 2019 03:14
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Asynchronous Exceptions
Raw
AsyncExc.hs
withFileSystem basePath fs = ContT $ \action -> bracket
(liftIO $ do
createDirectoryIfMissing True basePath
instantiateFs basePath fs
)
(\_ -> uninterruptibleMask $ \_ -> do
liftIO $ removeDirectoryRecursiveIfExists basePath
)
action
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