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Dean Moldovan authored
In C++11 mode, `boost::apply_visitor` requires an explicit `result_type`. This also adds optional tests for `boost::variant` in C++11/14, if boost is available. In C++17 mode, `std::variant` is tested instead.
7918bcc9
In C++11 mode, `boost::apply_visitor` requires an explicit `result_type`. This also adds optional tests for `boost::variant` in C++11/14, if boost is available. In C++17 mode, `std::variant` is tested instead.