[#BloombergLP-bdlt-PackedCalendar-reserveHolidayCodeCapacity]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/PackedCalendar.adoc[PackedCalendar]::reserveHolidayCodeCapacity
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:mrdocs:

Reserve enough space to store at least the specified `numHolidayCodes` within this calendar assuming no additional holidays are added to this calendar. This method has no effect if `numHolidayCodes <= numHolidayCodesTotal()`.

== Synopsis

Declared in `<bdlt_packedcalendar.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
reserveHolidayCodeCapacity(int numHolidayCodes);
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