Boost.URL boost::urls::authority_view::host_type home boost::urls::authority_view::host_type Return the host type Synopsis Declared in header <boost/url/authority_view.hpp> urls::host_type host_type() const noexcept; Description This function returns one of the following constants representing the type of host present. host_type::ipv4 host_type::ipv6 host_type::ipvfuture host_type::name Example assert( url_view( "https://192.168.0.1/local.htm" ).host_type() == host_type::ipv4 ); Complexity Constant. Exception Safety Throws nothing. Specification 3.2.2. Host (rfc3986)