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
Constructs an empty address.
any_address() noexcept;
Results in an address with this->type() == address_type::host_and_port, this->hostname() == "" and this->port() == default_port, which identifies a server
running on localhost
using the default port.
No-throw guarantee.