Gets the number of minutes _in this duration.
!(p)
This returns the total number of minutes _in the duration by dividing the
number of seconds by 60.
!(p)
This instance is immutable and unaffected by this method call.
@return the number of minutes _in the duration, may be negative
Gets the number of minutes _in this duration. !(p) This returns the total number of minutes _in the duration by dividing the number of seconds by 60. !(p) This instance is immutable and unaffected by this method call.
@return the number of minutes _in the duration, may be negative