using System;

namespace TestAllTheThings
{
    public class ConfigurePattern
    {
        public void Configure(Action<SomeOptions> configureOptions)
        {
            var opts = new SomeOptions();
            opts.Fixed = true; // set a default
            configureOptions(opts);
            // do validation or additional steps
        }
    }

    public class SomeOptions
    {
        public bool Fixed { get; set; }
        public string NameThing { get; set; }
        public bool AnotherSwitch { get; set; }
    }

    public class Demo
    {
        public void Run()
        {
            var optionsPat = new ConfigurePattern();

            optionsPat.Configure(options =>
            {
                options.NameThing = "aasdasd";
                options.AnotherSwitch = true;
            });
        }
    }
}