...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Because the TIB (thread information block) is not fully described in the
MSDN, it might be possible that not all required TIB-parts are swapped. With
compiler flag BOOST_USE_WINFIBERS
coroutine<>
uses internally the Windows Fiber API.