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Within LTS Haskell 8.23 (ghc-8.0.2)

  1. readDBRef :: (IResource a, Typeable a) => DBRef a -> STM (Maybe a)

    TCache Data.TCache

    Return the reference value. If it is not in the cache, it is fetched from the database.

  2. readDBRefs :: (IResource a, Typeable a) => [DBRef a] -> STM [(Maybe a)]

    TCache Data.TCache

    Read multiple DBRefs in a single request using the new readResourcesByKey

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