[#BloombergLP-bdlb-operator_lshift-08f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator<<
:relfileprefix: ../../
:mrdocs:

Write the value of the specified `guid` object to the specified output `stream` in a single‐line format, and return a 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, can change without notice, and is logically equivalent to: ` print(stream, 0, ‐1); `

== Synopsis

Declared in `<bdlb_guid.h>`

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


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