[odb-users] indirect relatioship between objects with std::vector<boost::variant<...>>

[Boris Kolpackov]

MM <finjulhich at gmail.com> writes:

> Can this pragma apply to value types too?

No, as the manual clearly shows, the callback pragma is only available to
objects. Supporting it also for value types would involve quite a bit of
additional complexity (think persistent a vector of value types with a
callback).

Boris