public static IEnumerable <TResult> Siblings <TResult>(this IEnumerable <TResult> startNodes,
Func <TResult, TResult> parentSelector, Func <TResult, IEnumerable <TResult> > childSelector,
bool includeSelf = false)
{
return(startNodes.SelectMany(startNode => HierarchyWalker.Siblings(startNode, parentSelector, childSelector, includeSelf)));
}
public static IEnumerable <TResult> Descendants <TResult>(this IEnumerable <TResult> startNodes,
Func <TResult, IEnumerable <TResult> > childSelector, bool includeSelf = false)
{
return(startNodes.SelectMany(startNode => HierarchyWalker.Descendants(startNode, childSelector, includeSelf)));
}
