Comments (6)
This is on my todo list as well actually. The IntHashSet/LongHashSet also need this optimization as well.
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So just for the keys? Would the option to fill a Set but useful to save allocation?
LongHashSet keys = new LongHashSet();
map.getKeys(keys); // or similar?
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I ask about the keys because for the values in the Int2Int etc. the values would also need boxed.
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In an ideal world the keySet wouldn't be a copy. However, if that is not possible then I'd probably not use it and stick using the primitive based forEach methods, e.g. intForEach on Int2IntMap.
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@RichardWarburton Didn't you already do this?
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Yes.
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