The alternative implementation of a variant type in the Boost software library collection, which is never valueless.
Questions tagged [boost-variant2]
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Why are there two variant class implementations in Boost?
Boost seems to have two implementations of a variant class template:
boost::variant
boost::variant2
It is rare (though not unheard of) for Boost two include two takes on the same concept. Why has this happened for variants? How do these variants…
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