:relfileprefix: ../../
[#boost-urls-operator_lshift-001]

= xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::operator<<


Format the address to an output stream


== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/ipv6_address.hpp#L368[boost/url/ipv6_address.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:std.adoc[std]::ostream&
operator<<(
    xref:std.adoc[std]::ostream& os,
    xref:boost/urls/ipv6_address.adoc[ipv6_address] const& addr);
----

== Description


This function writes the address to an
output stream using standard notation.




== Return Value


The output stream, for chaining.



== Parameters

|===
| Name | Description 

| *os*
| 
The output stream to write to.

| *addr*
| 
The address to write.

|===