CurveDate
A constructor to create a curve date.
A curve date consists of a date and an expiry calendar
Syntax
cd = CurveDate(date, expirycalendar)
Example
// Using the code for an Expiry Calendar
cd = CurveDate("2023-03-15", "#REOMHENG")
// Using an actual expiry calendar
expcal = ${expiry:"#REOMHENG"}
cd = CurveDate("2023-03-15", expcal)