Bootstrapper for NancyFx combined with a FeatureToggle (FeatureSwitcher)

Bootstrapper.cs

using System.Collections.Generic;
using System.Linq;
using Nancy;
using Nancy.Bootstrapper;
using FeatureSwitcher;

using txs.nextgen.apigateway.todo;

namespace txs.nextgen.apigateway
{
    // Bootstrapper for NancyFx that check FeatureToggle ("FeatureSwitcher") for loading NancyFx
    public class Bootstrapper : DefaultNancyBootstrapper
    {        

        protected override IEnumerable<ModuleRegistration> Modules
        {
            get
            {
                return base.Modules.Where(Check<ToDoModule,ToDoApp>);
            }
        }

        private bool Check<TModule,TFeature>(ModuleRegistration moduleReg) where TModule : INancyModule where TFeature : IFeature 
        {
            return (moduleReg.ModuleType != typeof(TModule)) || (Feature<TFeature>.Is().Enabled);
        }  

    }
}