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