[#BloombergLP-bslx-OutStreamFunctions-bdexStreamOut-0c29]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslx.adoc[bslx]::xref:BloombergLP/bslx/OutStreamFunctions.adoc[OutStreamFunctions]::bdexStreamOut
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:mrdocs:

Write the specified `unsigned long` `value` to the specified output `stream` as a 32‐bit `unsigned int`, and return a reference to `stream`. The optionally specified `version` is ignored. If `stream` is initially invalid, this operation has no effect. Note that for platforms where `unsigned long` is not equivalent to `uint32_t`, this operation may be lossy. 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>
STREAM&
bdexStreamOut(
    STREAM& stream,
    unsigned long const& value,
    int version = 0);
----


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