Advanced Search

Traverse nested lists (IEnumerable)

/ Published in: C#
Save to your folder(s)
Credit: Tim Schmelter

Expand | Embed | Plain Text

Copy this code and paste it in your HTML 
  1. public static IEnumerable<T> Traverse<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>> fnRecurse)
  2. {
  3.     foreach (T item in source)
  4.     {
  5.         yield return item;
  6.  
  7.         IEnumerable<T> seqRecurse = fnRecurse(item);
  8.         if (seqRecurse != null)
  9.         {
  10.             foreach (T itemRecurse in Traverse(seqRecurse, fnRecurse))
  11.             {
  12.                 yield return itemRecurse;
  13.             }
  14.         }
  15.     }
  16. }

URL: http://stackoverflow.com/questions/12318372/linq-nested-list-contains

Report this snippet


Comments

RSS Icon Subscribe to comments

You need to login to post a comment.