org.sonar.java.collections

Interface PSet<E>

Type Parameters:

E - the type of elements maintained by this set

public interface PSet<E>

Persistent (functional) Set.

Author:

Evgeny Mandrikov

Method Summary

Modifier and Type	Method and 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