Question

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A std::map that keep track of the order of insertion?

I am looking for an STL container that preserves order of insertion ( no sorting ) but does not allow duplicates. Is there one? if not any tricks I can use to customize one?

Answer 1

There is no such a container at the moment, but you can create your own one in a cheap way by holding a std::vector and a std::set in a class together.