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

Dynamic memory used by a prevector's overflow buffer.

== Synopsis

Declared in `<memusage.h>`

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

== Return Value

The bytes allocated outside the prevector's inline storage.

== Parameters

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


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