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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#nullable enable
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
namespace Microsoft.AspNetCore.Hosting;
/// <summary>
/// Used for initializing services and middlewares used by an application.
/// </summary>
public class DelegateStartup : StartupBase<IServiceCollection>
{
private readonly Action<IApplicationBuilder> _configureApp;
/// <summary>
/// Creates a new <see cref="DelegateStartup" /> instance.
/// </summary>
/// <param name="factory">A factory for creating <see cref="IServiceProvider"/> instances.</param>
/// <param name="configureApp">An <see cref="Action"/> for configuring the application.</param>
public DelegateStartup(IServiceProviderFactory<IServiceCollection> factory, Action<IApplicationBuilder> configureApp) : base(factory)
{
_configureApp = configureApp;
}
/// <summary>
/// Configures the <see cref="IApplicationBuilder"/> with the initialized <see cref="Action"/>.
/// </summary>
/// <param name="app">The <see cref="IApplicationBuilder"/>.</param>
public override void Configure(IApplicationBuilder app) => _configureApp(app);
}
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