[#BloombergLP-bdlb-operator_lshift-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator<<
:relfileprefix: ../../
:mrdocs:

Write the specified variant `object` to the specified output `stream` in a single‐line (human‐readable) format, and return a reference to `stream`.

== Synopsis

Declared in `<bdlb_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPES>
std::ostream&
operator<<(
    std::ostream& stream,
    xref:BloombergLP/bdlb/VariantImp.adoc[VariantImp<TYPES>] const& object);
----


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