Adds or subtracts two TickDurations as well as assigning the result to this TickDuration.
The legal types of arithmetic for TickDuration using this operator are
The TickDuration to add to or subtract from this $(D TickDuration).
Adds or subtracts two TickDurations as well as assigning the result to this TickDuration.
The legal types of arithmetic for TickDuration using this operator are