[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Duplicates in a sequence ?
> I agree the above is O(n^2) with no duplicates. However I wonder how distinct-values is implemented with Saxon that you say it is O(n log n). What intrigues me is that the order does not change on Oxygen 16.1. > Saxon's implementation of distinct-values($input) is basically: HashSet set = new HashSet(); for each x in $input if (!set.contains(x)) { set.add(x); result.add(x); } } except that the code is inverted to make it streamable.
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