public static IWebHostBuilder UseFactoryFactory
(this IWebHostBuilder webHostBuilder, Action <ConfigurationOptions> configure = null)
{
var options = new ConfigurationOptions();
configure?.Invoke(options);
var serviceProviderFactory = new ServiceProviderFactory(options);
return(webHostBuilder.ConfigureServices(services =>
services
.AddSingleton <IServiceProviderFactory <Registry> >(serviceProviderFactory)
.AddSingleton <IServiceProviderFactory <IServiceCollection> >(serviceProviderFactory)
));
}