[ Version ( since = "0.9.7" ) ]
public void del_range (Codepoint first, Codepoint last)
Removes all of the elements from first to last (inclusive) from set.
If last is SET_VALUE_INVALID, then all values greater than or
equal to first are removed.
| first |
The first element to remove from |
| last |
The final element to remove from |
| set |
A set |