ThreadLocal example

ThreadLocalExample.cs

using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("press to start");
        Console.ReadLine();

        var threadLocal = new ThreadLocal<List<long>>(Creator, true);

        Task.Run(async () =>
        {
            List<Task> tl = new List<Task>();

            for (int i = 0; i < 10000; i++)
            {
                var task = Task.Run(() =>
                {
                    var list = threadLocal.Value;
                });

                tl.Add(task);
            }

            await Task.WhenAll(tl);

            Console.WriteLine(threadLocal.Values.Count);
        });

        Console.ReadLine();
    }

    static List<long> Creator() => new List<long>(1024 * 1024);
}