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Well, this is more a review of the c++ implementation but thanks anyway. I'm not sure I completely understand point 1. Do you mean using something like std::unique_ptr< E >?
– stijn
Commented Jul 13, 2015 at 14:04
Yes, that's a possibility. Though better take a look at how Boost.Variant is implemented, and start from there, for small-object-optimization (avoiding dynamic allocation) and to also incorporate point 2.
– Deduplicator
Commented Jul 13, 2015 at 14:20

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