using System;

using System.Threading.Tasks;

​

public class SomeObject

{

    public SomeObject(int id, string message)

    {

        Id = id;

        Message = message;

    }

​

    public SomeObject()

    {}

    public int Id {get; set;}

    public string Message {get; set;}

    public string Status {get; set;}

}   

​

​

public class ResultExample

{   

    public static async Task Main()

    {

        var someObject = new SomeObject(1, "My message");

        var task = HandleMessage(someObject);

        await task.ContinueWith(

            async antecedent =>

            {

                if (antecedent.Status == TaskStatus.RanToCompletion)

                {

                    Console.WriteLine("Calling 'SendResponse'");

                    await SendResponse(antecedent.Result);

                }

                else if (antecedent.Status == TaskStatus.Faulted)

                {

                    Console.WriteLine("Logging error");

                    Console.WriteLine(antecedent.Exception.GetBaseException().Message);

                }

            }

        );  

    }

    public static async Task<SomeObject> HandleMessage(SomeObject someObject)

    {

        return await Task<SomeObject>.Run(() => 

        {

            SomeObject processedObject = new SomeObject();

            DateTime date = DateTime.Now;

            bool result =  date.Hour < 10

                ? true

                : false;

            if (result)

            {

                Console.WriteLine("Processing message");

                processedObject = someObject;

                processedObject.Status = "Processed";

            }

            else 

            {

                Console.WriteLine("Exception handling message");

                throw new Exception("Error: failed to process message");

            }

            return processedObject;

        });

    }

    public static async Task<bool> SendResponse(SomeObject someObject)

    {

        return await Task.Run(() => 

        {

            Console.WriteLine("Sending response");

            Console.WriteLine($"Data: {someObject.Status}");

            return true;

        });

    }

}