...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
A completion token object used to specify that an asynchronous operation should return a function object to lazily launch the operation.
constexpr deferred_t deferred;
See the documentation for deferred_t
for a usage example.
Header: boost/asio/deferred.hpp
Convenience header: boost/asio.hpp