RxUI Automatically Register IViewFor<>

public static class AutoRegisterViews
{
    public static void RegisterViewsForViewModels(this IMutableDependencyResolver resolver)
    {
        var assembly = typeof(App).GetTypeInfo().Assembly;

        // for each type that implements IViewFor
        foreach (var type in assembly.DefinedTypes
            .Where(ti => ti.ImplementedInterfaces.Contains(typeof(IViewFor)))
            .Where(t => !t.IsAbstract))
        {
            var call = GetConstructorCall(type);

            // and for each VM it claims to be an IViewFor<>
            foreach (var ivf in type.ImplementedInterfaces.Where(t => t.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IViewFor))))
            {
                // register
                resolver.Register(() => call(), ivf);
            }
        }
    }

    static Func<object> GetConstructorCall(TypeInfo type)
    {
        var constructor = type.DeclaredConstructors.Single(ci => ci.IsPublic && !ci.GetParameters().Any());

        return (Func<object>)Expression.Lambda(Expression.New(constructor)).Compile();
    }
}