Return the (signed) number of days between the specified beginDate and endDate as per the CONVENTION template policy. If beginDate <= endDate, then the result is non-negative. Note that reversing the order of beginDate and endDate negates the result.
Declared in <bbldc_basicbasicdaycountadapter.h>
virtual
int
daysDiff(
bdlt::Date const& beginDate,
bdlt::Date const& endDate) const override;