Efficient integer sets when many elements expected to be large contiguous sequences of integers.
type 
Type of a set of integers.
 
val of_range_list : (int * int) list -> t
Construct the set of integers representing the union of integers in all given ranges.
 
val to_range_list : t -> (int * int) list
Return set of integers as a minimal list of non-overlapping ranges in ascending order by their coordinates.
 
val to_list : t -> int list
Return set of integers as a list. Elements will be in ascending order.
 
val size : t -> int
Number of elements in set.
 
val is_empty : t -> bool
Return true if given set is empty.
 
val inter : t -> t -> t
Set intersection.
 
val diff : t -> t -> t
Set difference. diff s t is the set of elements that are in s but not in t.
 
val subset : t -> t -> bool
subset s t returns true if s is a subset of t.