[#SizeComputer-m_size]
= xref:SizeComputer.adoc[SizeComputer]::m&lowbar;size
:relfileprefix: ../
:mrdocs:

Running count of bytes that would be written&period;

== Synopsis

Declared in `&lt;serialize&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64&lowbar;t m&lowbar;size = &lcub;0&rcub;;
----


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