[#BloombergLP-ball-operator_lshift-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::operator<<
:relfileprefix: ../../
:mrdocs:

Write the value of `attributeContainer` to the specified `output` stream.

== Synopsis

Declared in `<ball_defaultattributecontainer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
operator<<(
    std::ostream& output,
    xref:BloombergLP/ball/DefaultAttributeContainer.adoc[DefaultAttributeContainer] const& attributeContainer);
----

== Description

Write the value of the specified `attributeContainer` to the specified `output` stream in some single‐line, human readable format. Return the `output` stream.

== Return Value

a reference to `output`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| output stream
| *attributeContainer*
| container to write
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#