/**
* Obtain an interval which contains all of the elements of the slice that are equal to the
* argument.
*
* @param constant the type that all constants in the interval must be equal to
* @return an interval comprising either exactly the type passed in or no types at all
*/
public Interval<Constant> getEqualityInterval(Constant constant) {
if (order.contains(constant)) {
Iterator<Constant> succession = order.iterator(constant);
// break this into three lines for clarity
Constant min = succession.next();
Constant max = succession.hasNext() ? succession.next() : null;
return new Interval<Constant>(order, min, max);
}
return new Interval<Constant>(order, null, null);
}
/**
* Render the entire slice as single interval.
*
* @return an interval that contains every type currently in the slice
*/
public Interval<Constant> asInterval() {
return new Interval<Constant>(order, order.iterator().next(), null);
}