public static IStory <T> Concat <T>(this IStory <T> firstStory, IStory <T> secondStory)
{
var frames = secondStory.StoryFrames.Concat(firstStory.StoryFrames);
var story = new Story <T>();
foreach (var frame in frames)
{
story.AddStoryFrame(frame);
}
return(story);
}
