...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Return the stored number cast to an arithmetic type.
template< class T> T to_number( error_code& ec) const; »more...
template< class T> T to_number( std::error_code& ec) const; »more...
template< class T> T to_number() const; »more...