...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Query the current value of the relationship
property.
static constexpr execution::relationship_t query( execution::relationship_t );
Do not call this function directly. It is intended for use with the
query
customisation point.
For example:
boost::asio::system_executor ex; if (boost::asio::query(ex, boost::asio::execution::relationship) == boost::asio::execution::relationship.continuation) ...