[#BloombergLP-bdlt-PackedCalendar-2constructor-0a0] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/PackedCalendar.adoc[PackedCalendar]::PackedCalendar :relfileprefix: ../../../ :mrdocs: Create an empty calendar, i.e., a calendar having an empty valid range. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. == Synopsis Declared in `<bdlt_packedcalendar.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- explicit PackedCalendar(xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#