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 1.90.0.

time_traits< boost::posix_time::ptime >::duration_type

time_traits< boost::posix_time::ptime >::duration_type

The duration type.

typedef boost::posix_time::time_duration duration_type;