using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Get(null, null));

        Console.WriteLine(Get(1, null));

        Console.WriteLine(Get(null, 2));

        Console.WriteLine(Get(1, 2));

    }

    /// In my use case this is an API endpoint, so limit and offset are being set from a query string, or they are set to null if they aren't in the query string

    private static string Get(int? limit, int? offset)

    {

        return GetDefault();                            // Works fine, default values are set for limit and offset

        // return GetDefault(limit, offset);            // Compile Error: Cannot convert from 'int?' to 'int'

        // return GetDefaultNullable(limit, offset);    // Compiles, but no default value gets set if limit or offset is null

    }

    // Default values solution

    private static string GetDefault(int limit = 20, int offset = 0)

    {

        return $"Limit: {limit}. Offset: {offset}";

    }

    // Nullable parameters with default values solution

    private static string GetDefaultNullable(int? limit = 20, int? offset = 0)

    {

        return $"Limit: {limit}. Offset: {offset}";

    }

    // Overloading solution

    private static string GetOverloadable()

    {

        return $"Limit: none. Offset: none";

    }

    private static string GetOverloadable(int limit)

    {

        return $"Limit: {limit}. Offset: none";

    }

    // Compile Error: Same signature as GetOverloadable(int limit)

    // private static string GetOverloadable(int offset)

    // {

    //   return $"Limit: none. Offset: {offset}";

    // }

    private static string GetOverloadable(int limit, int offset)

    {

        return $"Limit: {limit}. Offset: {offset}";

    }

}