Build a variant's alternative through access on load - #378
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gennaroprota merged 1 commit intoAug 14, 2026
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Loading declared the alternative (`head_type value;`), so a type whose default constructor is private, or absent, could not be an alternative at all, even with `boost::serialization::access` befriended. Build it the way a container element is built instead. Fixes #338.
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Loading declared the alternative (
head_type value;), so a type whose default constructor is private, or absent, could not be an alternative at all, even withboost::serialization::accessbefriended. Build it the way a container element is built instead.Fixes #338.