C# Online Compiler | .NET Fiddle

using System;
using MemoizR;
using System.Threading.Tasks;

public class Program
{
	public static async Task Main()
	{
		var f = new MemoFactory();
		var one = f.CreateSignal(2);
		var two = f.CreateSignal(2);
		var squareOne = f.CreateMemoizR(async () =>
		{
			var value = await one.Get();
			Console.WriteLine($"Square One: {value}");
			return Math.Pow(value, 2);
		});
		var squareTwo = f.CreateMemoizR(async () =>
		{
			var value = await two.Get();
			Console.WriteLine($"Square Two: {value}");
			return Math.Pow(value, 2);
		});
		var final = f.CreateMemoizR(async () =>
		{
			var result = await squareOne.Get() + await squareTwo.Get();
			Console.WriteLine("Add Squares");
			return result;
		});
		while (true)
		{
			Console.Write($"Set one (current: {await one.Get()}):");
			var user1 = Console.ReadLine();
			if (user1 is not null && int.TryParse(user1, out var value))
			{
				await one.Set(value);
			}

			Console.Write($"Set two (current: {await two.Get()}):");
			var user2 = Console.ReadLine();
			if (user2 is not null && int.TryParse(user2, out value))
			{
				await two.Set(value);
			}

			var result = await final.Get();
			Console.WriteLine($"Result is {result}.\n");
		}
	}
}

 
using System;
using MemoizR;
using System.Threading.Tasks;
​
public class Program
{
    public static async Task Main()
    {
        var f = new MemoFactory();
        var one = f.CreateSignal(2);
        var two = f.CreateSignal(2);
        var squareOne = f.CreateMemoizR(async () =>
        {
            var value = await one.Get();
            Console.WriteLine($"Square One: {value}");
            return Math.Pow(value, 2);
        });
        var squareTwo = f.CreateMemoizR(async () =>
        {
            var value = await two.Get();
            Console.WriteLine($"Square Two: {value}");
            return Math.Pow(value, 2);
        });
        var final = f.CreateMemoizR(async () =>