Branch Request Pipeline using Map Extension Method

Startup.cs

public class Startup
{
    // This method gets called by the runtime. Use this method to add services to the container.
    // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
    public void ConfigureServices(IServiceCollection services)
    {
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        app.Map("/first", handleFirstBranch);
        app.Map("/second", handleSecondBranch);

        app.Run(async context =>
        {
            await context.Response.WriteAsync("The default pipeline is executed");
        });
    }

    public void handleFirstBranch(IApplicationBuilder app)
    {
        app.Run(async context =>
        {
            await context.Response.WriteAsync("First branch is executed");
        });
    }

    public void handleSecondBranch(IApplicationBuilder app)
    {
        app.Run(async context =>
        {
            await context.Response.WriteAsync("Second branch is executed");
        });
    }
}