...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::counter::impl — Factory implementation.
// In header: <boost/log/attributes/counter.hpp> // Factory implementation. class impl : public attribute::impl { public: // public member functions impl(value_type, value_type) noexcept; virtual attribute_value get_value(); };
impl
public member functionsimpl(value_type initial, value_type step) noexcept;
virtual attribute_value get_value();
Returns: |
The actual attribute value. It shall not return empty values (exceptions shall be used to indicate errors). |