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

Write `object` to `stream` using the stream‐out protocol.

== Synopsis

Declared in `<bsltf_streamutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class STREAM>
STREAM&
operator<<(
    STREAM& stream,
    xref:BloombergLP/bsltf/NonDefaultConstructibleTestType.adoc[NonDefaultConstructibleTestType] const& object);
----

== Description

Return `stream`.

== Return Value

a reference to `stream`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *stream*
| output stream
| *object*
| object to stream out
|===


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