Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/IO/Try.hs

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Distributed under the MIT License.
Download the Plan 9 distribution.


module IO (try) where

import DIOError

-- The following implementation is direct from the Library Report.

try                   :: IO a -> IO (Either IOError a)
try f                  = catch (do r <- f
                                   return (Right r))
                               (return . Left)


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