All the elements should have fixed position in the array after insertion until I explicitly delete them from there. Is there something like this in boost or wherever? Thanks
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All the elements should have fixed position in the array after insertion until I explicitly delete them from there. Is there something like this in boost or wherever? Thanks
Use an
unordered_map<int, T>ormap<int, T>.Or, use a
vector<optional<T>>, and set the slot to delete tonone_t, instead of actually deleting it.