Checking for duplicates in a List of Objects C#

Question

I am looking for a really fast way to check for duplicates in a list of objects.

I was thinking of simply looping through the list and doing a manual comparison th

Answer 1

I think this is what you're looking for:

List<dupeChecke> duplicates = dupeList.GroupBy(x => x)
                                   .SelectMany(g => g.Skip(1));