[#boost-urls-ipv6_address-max_str_len] = xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/ipv6_address.adoc[ipv6_address]::max_str_len :relfileprefix: ../../../ :mrdocs: The number of characters in the longest possible IPv6 string. == Synopsis Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/ipv6_address.hpp#L81[boost/url/ipv6_address.hpp]>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- inline constexpr static std::size_t max_str_len = 49; ---- == Description The longest IPv6 address is: [,cpp] ---- ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff ---- == See Also xref:boost/urls/ipv6_address/to_buffer.adoc[to_buffer]. [.small]#Created with https://www.mrdocs.com[MrDocs]#