[#boost-urls-operator_lshift-0d]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::operator<<
:relfileprefix: ../../
:mrdocs:


Format the encoded authority to the output stream

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/authority_view.hpp#L1403[boost/url/authority_view.hpp]>`

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

== Description


This hidden friend function serializes the encoded URL        to the output stream.


=== Example

[,cpp]
----
authority_view a( "www.example.com" );

std::cout << a << std::endl;
----
Format the encoded authority to the output stream

This function serializes the encoded URL    to the output stream&period;


=== Example

[,cpp]
----
authority_view a( "www.example.com" );

std::cout << a << std::endl;
----


== Return Value


A reference to the output stream, for chaining



== Parameters


|===
| Name | Description

| *os*
| The output stream to write to


| *a*
| The URL to write


| *os*
| The output stream to write to


| *a*
| The URL to write


|===



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