arbMaybeHost :: Gen (Maybe B.ByteString)
arbMaybeHost = frequency [(1, pure Nothing), (2, Just <$> arbHost)]
arbMaybeHost :: Gen (Maybe B.ByteString)
arbMaybeHost = frequency [(1, pure Nothing), (2, Just <$> arbHost)]
arbMaybeHost = frequency [(1, pure Nothing), (2, Just <$> arbHost)]