List<T> and IEnumerable difference
- by Jonas Elfström
While implementing this generic merge sort, as a kind of Code Kata, I stumbled on a difference between IEnumerable and List that I need help to figure out.
Here's the MergeSort
public class MergeSort<T>
{
public IEnumerable<T> Sort(IEnumerable<T> arr)
{
if (arr.Count() <= 1) return arr;
int middle =…
