example of akavache + dynamic

MainPage.xaml.cs

using Akavache;
using Microsoft.Phone.Controls;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading.Tasks;
using System.Windows;

namespace akavache_dynamic_deserialization_3
{
    class ExampleDynamic
    {
        public List<dynamic> list;
    }

    class Example
    {
        public List<string> list;
    }

    public partial class MainPage : PhoneApplicationPage
    {
        public MainPage()
        {
            InitializeComponent();
        }

        private void RunTest()
        {
            var action = new Action<string>(str => Debug.WriteLine(str));

            try
            {
                var example = new Example()
                {
                    list = new List<string> {
                        "string literal"
                    }
                };

                action(example.list[0]);
            }
            catch (Exception)
            {
                Debug.WriteLine("no exception");
            }

            try
            {
                dynamic example = new ExampleDynamic()
                {
                    list = new List<dynamic> {
                        new { z = "all ok here" }
                    }
                };

                action(example.list[0].z);
            }
            catch (Exception)
            {
                Debug.WriteLine("still no exception");
            }

            GetOrFetchExample().Subscribe(example =>
            {
                try
                {
                    action(example.list[0]);
                }
                catch (Exception)
                {
                    Debug.WriteLine("this didn't happen");
                }
            });

            GetOrFetchExampleDynamic().Subscribe(example =>
            {
                try
                {
                    action(example.list[0].z);
                }
                catch (Exception)
                {
                    Debug.WriteLine("this shouldn't have happened, but did");
                }
            });
        }

        static IObservable<ExampleDynamic> GetOrFetchExampleDynamic()
        {
            Debug.WriteLine("about to get/fetch...");

            return BlobCache.InMemory.GetOrFetchObject<ExampleDynamic>("ExampleDynamic", new System.Func<Task<ExampleDynamic>>(() =>
            {
                Debug.WriteLine("fetching...");

                return Task.Factory.StartNew<ExampleDynamic>(() =>
                {
                    return new ExampleDynamic()
                    {
                        list = new List<dynamic> {
                            new { z = "wow" },
                        },
                    };
                });
            }));
        }

        static IObservable<Example> GetOrFetchExample()
        {
            Debug.WriteLine("about to get/fetch...");

            return BlobCache.InMemory.GetOrFetchObject<Example>("Example", new System.Func<Task<Example>>(() =>
            {
                Debug.WriteLine("about to fetching...");

                return Task.Factory.StartNew<Example>(() =>
                {
                    return new Example()
                    {
                        list = new List<string> {
                            "wow again",
                        },
                    };
                });
            }));
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            RunTest();
        }
    }
}