public static IEnumerable <T> VisitElements <T>(this XElement source, XElementProjectionFunc <T> func)
{
foreach (var v in VisitElements(source, func, 0))
{
yield return(v);
}
}
public static IEnumerable <T> VisitElements <T>(XElement source, XElementProjectionFunc <T> func, int depth)
{
yield return(func(source, depth));
foreach (XElement child in source.Elements())
{
foreach (T s in VisitElements(child, func, depth + 1))
{
yield return(s);
}
}
}
