[#WriteVarInt-022]
= WriteVarInt
:mrdocs:

Account for a VarInt encoding when computing a serialized size.

== Synopsis

Declared in `<serialize.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename I>
void
WriteVarInt(
    xref:SizeComputer.adoc[SizeComputer]& os,
    I n);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *os*
| The size computer to update.
| *n*
| The value that would be encoded as a VarInt.
|===


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