:relfileprefix: ../../ [#boost-urls-ipv6_address_rule] = xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::ipv6_address_rule == Synopsis Declared in header `` [source,cpp,subs="verbatim,macros,-callouts"] ---- constexpr xref:boost/urls/ipv6_address_rule_t.adoc[ipv6_address_rule_t] const ipv6_address_rule = {}; ----