PSet (Apache Jena Base)

java.lang.Object
- org.apache.jena.atlas.lib.persistent.PSet<E>

Type Parameters:

E - the type of element in this set

All Implemented Interfaces:

PersistentSet<E>
```
public class PSet<E>
extends java.lang.Object
implements PersistentSet<E>
```
A implementation of PersistentSet using Set.

Method Summary

All Methods Static Methods Instance Methods Concrete 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 <E> PSet<E>`	`empty()`
`PersistentSet<E>`	`minus(E e)`
`PersistentSet<E>`	`plus(E e)`
`java.util.stream.Stream<E>`	`stream()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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