...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Retrieves the hostname that this object contains.
string_view hostname() const;
this->type() == address_type::host_and_port
The returned view points into *this
, and is valid as long as *this
is
alive and hasn't been assigned to or moved from.
No-throw guarantee.