using System;
using System.Collections.Specialized;
using R3;
using System.Linq;
using ObservableCollections;
using System.Collections;
using System.Collections.Generic;


var dict = new ObservableDictionary<int, string>();
var view = dict.CreateView(x => x).ToNotifyCollectionChanged();
dict.Add(key: 1, value: "foo");
dict.Add(key: 2, value: "bar");

foreach (var item in view)
{
    Console.WriteLine(item);
}
Console.WriteLine("---");




//var buffer = new ObservableFixedSizeRingBuffer<int>(5);

//var view = buffer.CreateView(value => value);
//view.AttachFilter(value => value % 2 == 1); // when filtered, mismatch...!

////{
//// INotifyCollectionChangedSynchronizedViewList created from ISynchronizedView with a filter.
//var collection = view.ToNotifyCollectionChanged();

//// Not disposed here.
////}

//buffer.AddFirst(1);
//buffer.AddFirst(1);
//buffer.AddFirst(2);
//buffer.AddFirst(3);
//buffer.AddFirst(5);
//buffer.AddFirst(8); // Argument out of range
//buffer.AddFirst(13);

//foreach (var item in collection)
//{
//    Console.WriteLine(item);
//}

//Console.WriteLine("---");

//foreach (var item in view)
//{
//    Console.WriteLine(item);
//}

//Console.WriteLine("---");

//foreach (var item in buffer)
//{
//    Console.WriteLine(item);
//}