Returns a static array of 3 ranges r such that r[0] is the
same as the result of lowerBound(value), r[1] is the same
as the result of equalRange(value), and r[2] is the same
as the result of upperBound(value).
Complexity: O(log(n))
classRedBlackTree(T, alias less = "a < b", bool allowDuplicates = false)
Returns a static array of 3 ranges r such that r[0] is the same as the result of lowerBound(value), r[1] is the same as the result of equalRange(value), and r[2] is the same as the result of upperBound(value).
Complexity: O(log(n))