Fetches the next consecutive range of elements in set that are greater than current value of last.
Set last to #HB_SET_VALUE_INVALID to get started.
A set
The first code point in the range
Input = The current last code point in the range
true if there was a next range, false otherwise
Fetches the next consecutive range of elements in set that are greater than current value of last.
Set last to #HB_SET_VALUE_INVALID to get started.