class Program{

    public static void Main()

    {

    using(new TheVoid.Devoid(new System.Action(()=> System.Console.WriteLine("DevoidPattern"))))

    {

    }

    }

}

​

class TheVoid {   

​

public interface Interface { }

​

public interface Interface<T> : Interface { T Value { get; } }

​

const int IntPtrSize = 1 == (((uint)1) << 4) ? 4 : 8;

​

[System.Runtime.InteropServices.StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential, Size = IntPtrSize)]

public struct Void : Interface, Interface<System.Action>

{

    System.Action m_Action;

    public System.Action Value => m_Action;

    public Void(System.Action action) { m_Action = action;}

}

​

[System.Runtime.InteropServices.StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential, Size = IntPtrSize)]

public ref struct Devoid

{

    System.Action m_Action;

    public Devoid(System.Action action) { m_Action = action; }

    public static implicit operator Void(Devoid d) { return new Void(d.m_Action); }

    public void Dispose()

    {

        if(null != m_Action) m_Action(); 

        m_Action = null;

        System.Console.WriteLine("Disposed");

    }

}

}