/// <summary>
/// Gets the <typeparamref name="TView"/> corresponding to a <paramref name="model"/> using this <paramref name="representer"/>
/// or the default (<c>null</c>) if the <paramref name="model"/> is <c>null</c>.
/// </summary>
/// <param name="representer">The representer which will be used to convert this <paramref name="model"/> into the <typeparamref name="TView"/>.</param>
/// <param name="model">The model which should be converted into a <typeparamref name="TView"/>.</param>
/// <typeparam name="TModel">The type of the model.</typeparam>
/// <typeparam name="TView">The type of the view.</typeparam>
/// <returns>The <typeparamref name="TView"/> which represents the <paramref name="model"/> or <c>null</c> if the model is <c>null</c>.</returns>
public static TView ToViewOrDefault <TModel, TView>(this IRepresenter <TModel, TView> representer, TModel model)
where TView : class, IView <TModel>
where TModel : class
{
if (representer is null)
{
throw new System.ArgumentNullException(nameof(representer));
}
if (model is null)
{
return(default(TView));
}
return(representer.ToView(model));
}
public static TView?ToViewOrDefault <TView, TModel>(this IRepresenter <TModel, TView> representer, TModel?model)
where TModel : class
where TView : class, IView <TModel>
{
if (representer is null)
{
throw new ArgumentNullException(nameof(representer));
}
if (model is null)
{
return(null);
}
return(representer.ToView(model));
}