On 8/24/06, Sven Suska <software617rf / suska.org> wrote: > > And actually, I would prefer the behavior of Hash to be *replaced* > by the behavior of "HistoryHash". > Enough people do want this feature, > a history-preserving hash does not cost much more (in terms of memory > and execution time) > and it is consistent with tho old hash behavior. > So, for the sake of simplicity, no new class, let's just replace > Hash by a "better" Hash. For the record, I am 100% against this. Even if the semantics of insertion order preservation could be defined to everyone's satisfaction, it most assuredly does have an extra cost, and forcing people who just want a normal hash to pay that cost is infeasible. martin