[#BloombergLP-bdlc-PackedIntArray-08-reserveCapacity-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/PackedIntArray-08.adoc[PackedIntArray<int>]::reserveCapacity
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:mrdocs:

Make the capacity of this array at least the specified `numElements`. This method has no effect if the current capacity meets or exceeds the required capacity.

== Synopsis

Declared in `<bdlc_packedintarray.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
reserveCapacity(std::size_t numElements);
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