If anyone is interested in a notation for this kind of integer ranges, the two different styles in the above example could be represented like this: /9..10\

If anyone is interested in a notation for this kind of integer ranges, the two different styles in the above example could be represented like this: /9..10\ : "short" interval : size 1 (hour) == half-open interval [9..10) -|20..21|- : "long" interval : size 2 (days) == closed interval [20..21]