The core.time.Duration to add to or subtract from this Date.
import core.time : days; assert(Date(2015, 12, 31) + days(1) == Date(2016, 1, 1)); assert(Date(2004, 2, 26) + days(4) == Date(2004, 3, 1)); assert(Date(2016, 1, 1) - days(1) == Date(2015, 12, 31)); assert(Date(2004, 3, 1) - days(4) == Date(2004, 2, 26));
Gives the result of adding or subtracting a core.time.Duration from
The legal types of arithmetic for Date using this operator are