Export iterator/3 so users can iterate over just keys #39
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I've been playing with leveldb iterators (not through
eleveldb:fold
), and would find it useful to be able to iterator through keys only. I don't know if there's a better way to deal with the 3rd argument toiterator
only being able to bekeys_only
. If you pass in some other atom, it doesn't blow up, but just silently ignores that arg.