ChunkIt

chunk.cs

public class ChunkUtils
{

public static IEnumerable<T> Chunk(Func<int,IEnumerable<T>> chunkFunc){
    var taken = 0;
    var last = 0;
    do{
        last = taken;
        var values = chunkFunc(taken);//taken is the "skip" count, the "take" count will have been closed into the chunkFunc.
        foreach(var v in values)
        {
          taken++;
          yield return v;
        }
    }while(taken == last);
    yield break;
  }
}