Generic IEqualityComparer and GetHashCode

Question

Being somewhat lazy about implementing lots of IEqualityComparers, and given that I couldn\'t easily edit class implementations of object being compared, I went with the fol

Answer 1

Nothing would go wrong, but in hash-table based containers, you're going from approx O(1) to O(n) performance when doing a lookup. You'd be better off simply storing everything in a List and brute force searching it for items that fulfil equality.