Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns metadata for this resultset.
metadata_collection_view meta() const;
this->has_value()
== true
No-throw guarantee.
The returned reference and any other references obtained from it are valid
as long as the object that *this points to is alive.
Constant.