...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::log::attributes::function::impl_template — Factory implementation.
// In header: <boost/log/attributes/function.hpp> // Factory implementation. template<typename T> class impl_template : public function< R >::impl { public: // construct/copy/destruct explicit impl_template(T const &); // public member functions virtual attribute_value get_value(); };
impl_template
public member functionsvirtual attribute_value get_value();
Returns: |
The actual attribute value. It shall not return empty values (exceptions shall be used to indicate errors). |