PSet (SonarQube Java :: Front-end 6.9.0.23563 API)

Type Parameters:

E - the type of elements maintained by this set
```
public interface PSet<E>
```
Persistent (functional) Set.

Author:

Evgeny Mandrikov

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`PSet<E>`	`add(E e)`
`boolean`	`contains(E e)`
`void`	`forEach(Consumer<E> action)`	Performs the given action for each entry in this set until all elements have been processed or the action throws an exception.
`boolean`	`isEmpty()`
`PSet<E>`	`remove(E e)`
`String`	`toString()`	The string representation consists of a list of elements in the ascending order of hash codes.

- Method Detail
  - add
```
PSet<E> add(E e)
```
    Returns:
    
    new set with added element, or this if element already in the set
  - remove
```
PSet<E> remove(E e)
```
    Returns:
    
    new set with removed element, or this if set does not contain given element
  - contains
```
boolean contains(E e)
```
    Returns:
    
    true if this set contains the specified element
  - forEach
```
void forEach(Consumer<E> action)
```
    Performs the given action for each entry in this set until all elements have been processed or the action throws an exception.
  - isEmpty
```
boolean isEmpty()
```
    Returns:
    
    true if this set contains no elements
  - toString
```
String toString()
```
    The string representation consists of a list of elements in the ascending order of hash codes. If two elements have same hash code, then their relative order is arbitrary, but stable.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    a string representation of this set