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 2015. The current version is 1.89.0.

basic_deadline_timer::expires_from_now (1 of 3 overloads)

basic_deadline_timer::expires_from_now (1 of 3 overloads)

Get the timer's expiry time relative to now.

duration_type expires_from_now() const;

This function may be used to obtain the timer's current expiry time. Whether the timer has expired or not does not affect this value.