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

Write the value of the specified `object` to the specified output `stream` in a single‐line format.

== Synopsis

Declared in `<bdljsn_error.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
operator<<(
    std::ostream& stream,
    xref:BloombergLP/bdljsn/Error.adoc[Error] const& object);
----

== Description

Return a non‐`const` reference to `stream`. If `stream` is not valid on entry, this operation has no effect. Note that this human‐readable format is not fully specified and can change without notice. Also note that this method has the same behavior as `object.print(stream, 0, ‐1)`, but with the attribute names elided.

== Return Value

a non‐`const` reference to `stream`

== Parameters

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


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