[#BloombergLP-bdlt-Calendar-reserveHolidayCapacity] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Calendar.adoc[Calendar]::reserveHolidayCapacity :relfileprefix: ../../../ :mrdocs: Reserve enough space to store at least the specified `numHolidays` within this calendar. This method has no effect if `numHolidays <= numHolidays()`. == Synopsis Declared in `<bdlt_calendar.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void reserveHolidayCapacity(int numHolidays); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#