Message from JavaScript discussions

May 2017

— But integers are also pass-by-value, so that defeats the purpose of trying to be more memory efficient, but you get the idea

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So maybe instead, a Bloom filter would work better, since you are re-using the same hash for multiple objects

— It is a simple bit array

— "While risking false positives, Bloom filters have a strong space advantage over other data structures for representing sets, such as self-balancing binary search trees, tries, hash tables, or simple arrays or linked lists of the entries."

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— Hmm

— Since there can only be 26 letters and 10 numbers represented, I think it should work perfectly

— "However, if the number of potential values is small and many of them can be in the set, the Bloom filter is easily surpassed by the deterministic bit array"

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— It does a single loop str.length times for every addition and lookup

— length property is very efficient, is a stored integer

— Yep, have that too

— Was thinking that the root object must have a size property

— According to the article on Bloom filter a bit array would work better for the particular dataset