Return the origin
<include/boost/url/url_view_base.hpp>
pct_string_view
encoded_origin() const noexcept;
If an authority is present, this function returns the scheme and authority portion of the url. Otherwise, an empty string is returned. The returned string may contain percent escapes.
assert( url_view( "http://www.example.com:8080/index.htm?text=none#h1" ).encoded_origin() == "http://www.example.com:8080" );