/**
* Sets the specified range of characters in the character set so that subsequent calls to {@code
* test} for characters within the range will return {@code true}.
*
* @see #union
*/
private void set(Range r) {
if (ranges.isEmpty()) {
ranges.add(r);
refreshAsciiSet();
return;
}
int pos = find(r.first);
if (((pos != ranges.size()) && ranges.get(pos).includes(r))
|| ((pos != 0) && ranges.get(pos - 1).includes(r))) {
return;
}
if ((pos != 0) && ranges.get(pos - 1).mergeable(r)) {
merge(pos - 1, r);
} else if ((pos != ranges.size()) && ranges.get(pos).mergeable(r)) {
merge(pos, r);
} else {
ranges.add(pos, r);
}
refreshAsciiSet();
}
