Function connect_with_retry_using 

pub async fn connect_with_retry_using<T, F, Fut>(
    connect_options: PgConnectOptions,
    max_attempts: u32,
    delays_ms: &[u64],
    connector: F,
) -> DatabaseResult<T>
where
    T: Send,
    F: Fn(PgConnectOptions) -> Fut + Send + Sync,
    Fut: Future<Output = Result<T, Error>> + Send,