using System;

​

#nullable enable

public class Program

{

    public interface ICanDoSomething

    {

        public void Do();

    }

    public interface ICanDoSomething<T>: ICanDoSomething

    {

        T Value { get; }

    }

​

    public class BoolHandler: ICanDoSomething<bool>

    {

        public BoolHandler(bool value) => Value = value;

        public bool Value { get; set; }

​

        public void Do()

        {

             Console.WriteLine("The bool value is " + Value);

        }

    }

​

    public class FloatHandler : ICanDoSomething<float>

    {

        public FloatHandler(float value) => Value = value;

        public float Value { get; set; }

​

        public void Do()

        {

            Console.WriteLine("The float value is " + Value);

        }

    }

​

    public class HandlerFactory

    {

        public ICanDoSomething? GetHandler(object value)

        {

            return value switch

            {

                bool b => new BoolHandler(b),

                float f => new FloatHandler(f),

                _ => null

            };

        }

    }

​

    static void Main(String[] args)

    {

        HandlerFactory factory = new();

        object value = true;

        ICanDoSomething? handler = factory.GetHandler(value);

        handler?.Do();

    }

}