PQueue

All Superinterfaces:

java.util.Collection<E>, java.lang.Iterable<E>, PCollection<E>, java.util.Queue<E>

All Known Implementing Classes:

AmortizedPQueue
```
public interface PQueue<E>
extends PCollection<E>, java.util.Queue<E>
```
A persistent queue.

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method	Description
`PQueue<E>`	`minus()`
`PCollection<E>`	`minus(java.lang.Object e)`
`PCollection<E>`	`minusAll(java.util.Collection<?> list)`
`boolean`	`offer(E o)`	Deprecated.
`PQueue<E>`	`plus(E e)`
`PQueue<E>`	`plusAll(java.util.Collection<? extends E> list)`
`E`	`poll()`	Deprecated.
`E`	`remove()`	Deprecated.

Methods inherited from interface java.util.Collection
contains, containsAll, equals, hashCode, isEmpty, iterator, parallelStream, removeIf, size, spliterator, stream, toArray, toArray, toArray

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface org.pcollections.PCollection
add, addAll, clear, remove, removeAll, retainAll

Methods inherited from interface java.util.Queue
add, element, peek

- Method Detail
  - minus
```
PQueue<E> minus()
```
  - plus
```
PQueue<E> plus(E e)
```
    Specified by:
    
    plus in interface PCollection<E>
    
    Returns:
    
    a collection which contains e and all of the elements of this
  - plusAll
```
PQueue<E> plusAll(java.util.Collection<? extends E> list)
```
    Specified by:
    
    plusAll in interface PCollection<E>
    
    Returns:
    
    a collection which contains all of the elements of list and this
  - minus
```
PCollection<E> minus(java.lang.Object e)
```
    Specified by:
    
    minus in interface PCollection<E>
    
    Returns:
    
    this with a single instance of e removed, if e is in this
  - minusAll
```
PCollection<E> minusAll(java.util.Collection<?> list)
```
    Specified by:
    
    minusAll in interface PCollection<E>
    
    Returns:
    
    this with all elements of list completely removed
  - offer
```
@Deprecated
boolean offer(E o)
```
    Deprecated.
    
    Specified by:
    
    offer in interface java.util.Queue<E>
  - poll
```
@Deprecated
E poll()
```
    Deprecated.
    
    Specified by:
    
    poll in interface java.util.Queue<E>
  - remove
```
@Deprecated
E remove()
```
    Deprecated.
    
    Specified by:
    
    remove in interface java.util.Queue<E>