[#BloombergLP-bslx-OutStreamFunctions-bdexStreamOut-0c26]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslx.adoc[bslx]::xref:BloombergLP/bslx/OutStreamFunctions.adoc[OutStreamFunctions]::bdexStreamOut
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:mrdocs:

Write the specified `value` to the specified output `stream`, and return a reference to `stream`. If `stream` is initially invalid, this operation has no effect. If needed, first write the computed version information to the `stream` and if this version is not supported by `TYPE`, `stream` is invalidated. Note that the version is only needed when the (template parameter) `TYPE` is a `bsl::vector` or a user‐defined type. See the `bslx` package‐level documentation for more information on BDEX streaming of value‐semantic types and containers.

== Synopsis

Declared in `<bslx_outstreamfunctions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class STREAM,
    class TYPE>
STREAM&
bdexStreamOut(
    STREAM& stream,
    TYPE const& value);
----


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