[#BloombergLP-bdlt-Calendar-reserveHolidayCodeCapacity] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Calendar.adoc[Calendar]::reserveHolidayCodeCapacity :relfileprefix: ../../../ :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_calendar.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void reserveHolidayCodeCapacity(int numHolidayCodes); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#