using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var testInstance1 = new Test() { TestString = "asdf" };

        TestCloning(testInstance1);

        Console.WriteLine(testInstance1.TestString);

    }

    // Verejna metoda

    // Clone<Test> pri implicitni konverzi z Test na Clone<Test> automaticky vytvori klon hodnoty

    public static void TestCloning(Clone<Test> toClone) => TestCloningInternal(toClone);

    private static void TestCloningInternal(Test uniqueTest) 

    {

        uniqueTest.TestString = "xyz";

        Console.WriteLine(uniqueTest.TestString);

    }

    public class Test : ICloneable

    {

        public string TestString { get; set; }

        public object Clone() 

        {

            return new Test { TestString = this.TestString };

        }

    }

    public class Clone<T> where T : ICloneable 

    {

        public T Value {get;set;}

        public Clone(T source) 

        {

            this.Value = source;

        }

        public static implicit operator T(Clone<T> source) 

        {

            return source.Value;

        }

        public static implicit operator Clone<T>(T source) 

        {

            return new Clone<T>((T)source.Clone());

        }

    }

}