public async Task RunAsync()
{
var users = new ReadOnlyCollection <User>(await userService.GetUsers());
var products = new ReadOnlyCollection <Product>(await productService.GetProducts());
var carriers = new ReadOnlyCollection <Carrier>(await carrierService.GetCarriers());
while (true)
{
await Task.Run(() =>
{
Buy(users, products, carriers);
});
}
}