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
This is an older version of Boost and was released in 2013. The current version is 1.89.0.
#include <boost/exception/error_info.hpp> namespace boost { typedef error_info<struct errinfo_at_line_,int> errinfo_at_line; }