minus method
Returns a copy of this with the sum of the units of time subtracted.
Contract
Throws a RangeError if the result is outside the valid range.
Example
Offset(-16).minus(hours: 2); // Offset(-18)
Offset(-18).minus(hours: 2); // throws RangeError
Implementation
@Possible({RangeError})
@useResult
Offset minus({int hours = 0, int minutes = 0, int seconds = 0}) => Offset.fromMicroseconds(_microseconds - sumMicroseconds(hours, minutes, seconds));