csharp_nested_using.csx

working demo of csharp nested for java nested try-with resource simplification

using System;
public class C {
    private class D : IDisposable {
        public D()
        {
        }
        public D(IDisposable _):this() {
        }
        
        public void Dispose(){
        }
    }
    public void M() {
        using (var a = new D())
        using (var b = new D(a))
        using (var c = new D(b)){
            System.Console.WriteLine("hello world");            
        }
    }
}