[#memusage-DynamicUsage-0d]
= xref:memusage.adoc[memusage]::DynamicUsage
:relfileprefix: ../
:mrdocs:

Dynamic memory used by a vector's element buffer.

== Synopsis

Declared in `<memusage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    typename Allocator>
static
size_t
DynamicUsage(std::vector<T, Allocator> const& v);
----

== Return Value

The bytes allocated for the vector's capacity.

== Parameters

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


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