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boost::log::visit
// In header: <boost/log/attributes/value_visitation.hpp> template<typename T, typename VisitorT> visitation_result visit(attribute_value const & value, VisitorT visitor);
The function applies a visitor to an attribute value. The user has to explicitly specify the type or set of possible types of the attribute value to be visited.
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| Returns: | The result of visitation. |