[#memusage-DynamicUsage-084]
= xref:memusage.adoc[memusage]::DynamicUsage
:relfileprefix: ../
:mrdocs:

Dynamic memory used by a prevector&apos;s overflow buffer&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    unsigned int N,
    typename X,
    typename S,
    typename D&gt;
static
size&lowbar;t
DynamicUsage(xref:prevector-0c.adoc[prevector&lt;N, X, S, D&gt;] const& v);
----

== Return Value

The bytes allocated outside the prevector&apos;s inline storage&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *v*
| The prevector to measure&period;
|===


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