[#36FF449B2EACA482CB23F9AAC88CF6B913412615]
Return the host type
host_type host_type() const noexcept;
This function returns one of the following constants representing the type of host present.
When has_authority is false, the host type is host_type::none .
assert( url_view( "https://192.168.0.1/local.htm" ).host_type() == host_type::ipv4 );
Constant.
Throws nothing.