for Blog #4

AwaitObservable.cs

async Task AwaitObservable()
{
    Debug.Log("start await observable");
    await Observable.NextFrame();  // like yield return null
    await Observable.TimerFrame(5); // await 5 frame
    try
    {
        // ObservableWWW promote exception when await(difference in await WWW)
        var result = await ObservableWWW.Get("https://404.com");
        Debug.Log(result);
    }
    catch (WWWErrorException ex)
    {
        Debug.LogError(ex.ToString());
    }
    Debug.Log("end await observable");
}