Gives the result of adding or subtracting a core.time.Duration from this TimeOfDay, as well as assigning the result to this TimeOfDay.
The legal types of arithmetic for TimeOfDay using this operator are
The core.time.Duration to add to or subtract from this TimeOfDay.
See Implementation
Gives the result of adding or subtracting a core.time.Duration from this TimeOfDay, as well as assigning the result to this TimeOfDay.
The legal types of arithmetic for TimeOfDay using this operator are