maybeRoundtrip :: TestTree
maybeRoundtrip = roundTripTest defSpec
    { testName = "Maybe"
    , testType = Proxy :: Proxy (Maybe Integer) }
maybeRoundtrip :: TestTree
maybeRoundtrip = roundTripTest defSpec
    { testName = "Maybe"
    , testType = Proxy :: Proxy (Maybe Integer) }
maybeRoundtrip = roundTripTest defSpec
    { testName = "Maybe"
    , testType = Proxy :: Proxy (Maybe Integer) }