.NET Разработчик. Страница 31

await foreach (int result in GetAsyncRange())
{
  Console.WriteLine(result);
  if (result >= 8)
    break;
}

async IAsyncEnumerable<int> GetAsyncRange(
[EnumeratorCancellation] CancellationToken ct = default)
{
  for (int i = 0; i < 10; i++)
  {
    await Task.Delay(100, ct);
    yield return i;
  }
}

using var cts = new CancellationTokenSource(500);
CancellationToken token = cts.Token;
await foreach (int result in GetAsyncRange(token)) {
  Console.WriteLine(result);
}

async Task ConsumeSequence(IAsyncEnumerable<int> items)
{
  using var cts = new CancellationTokenSource(500);
  CancellationToken ct = cts.Token;
  await foreach (int item 
    in items.WithCancellation(ct))
  {
    Console.WriteLine(item);
  }
}

await ConsumeSequence(GetAsyncRange());

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddRazorPages();

var app = builder.Build();
app.UseStaticFiles();
app.MapGet("/", () => "Hello World!");
app.MapRazorPages();
app.Run();

var builder = WebApplication.CreateBuilder(args);
builder.Services.AddRazorPages();

builder.Logging.AddFile();

builder.Host.UseSerilog();

var app = builder.Build();

public void Configure(IApplicationBuilder app)
{
  app.UseStaticFiles();
  app.UseRouting();
  app.UseEndpoints(endpoints =>
  {
    endpoints.MapRazorPages();
  });
}

app.UseStaticFiles();
app.MapRazorPages();