public void UsingAsync()
{
var requestUri = new Uri("http://google.com");
var tasksNumber = 10;
var count = 0;
var sp = Stopwatch.StartNew();
var results = new Result<Empty>[tasksNumber];
for (var i = 0; i < tasksNumber; i++)
{
var index = i;
var task = Await.Async(() =>
{
var webRequest = WebRequest.Create(requestUri);
webRequest.GetResponse().Close();
Interlocked.Increment(ref count);
});
task(result => result.Match(x => results[index] = x));
}
while (results.Any(x => x == null))
{
Thread.Sleep(1000);
Console.WriteLine("{0} - {1}, {2}", sp.Elapsed, count, results.Count(x => x == null));
}
Console.WriteLine(sp.Elapsed);
}