PersistentSet (Apache Jena Base)

Type Parameters:

E - the type of element in this set

All Known Implementing Classes:

PSet
```
public interface PersistentSet<E>
```
A persistent set data structure.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Set<E>`	`asSet()`	An immutable view of this as a `java.util.Set`.
`boolean`	`contains(E e)`
`static <T> PersistentSet<T>`	`empty()`
`PersistentSet<E>`	`minus(E e)`
`PersistentSet<E>`	`plus(E e)`
`java.util.stream.Stream<E>`	`stream()`

- Method Detail
  - empty
```
static <T> PersistentSet<T> empty()
```
    Returns:
    
    an empty set
  - plus
```
PersistentSet<E> plus(E e)
```
    Parameters:
    
    e - an element
    
    Returns:
    
    a new set with the elements of this set and e
  - minus
```
PersistentSet<E> minus(E e)
```
    Parameters:
    
    e - an element
    
    Returns:
    
    a new set with the elements of this set except e
  - contains
```
boolean contains(E e)
```
    Parameters:
    
    e - an element
    
    Returns:
    
    whether this set contains e
  - stream
```
java.util.stream.Stream<E> stream()
```
    Returns:
    
    a Stream of the elements in this set
  - asSet
```
java.util.Set<E> asSet()
```
    An immutable view of this as a java.util.Set.