org.sonar.java.collections

Interface PStack<E>

Type Parameters:

E - the type of elements maintained by this stack

public interface PStack<E>

Persistent (functional) Stack.

Method Summary

Modifier and Type	Method and Description
boolean	anyMatch(Predicate<E> predicate)
void	forEach(Consumer<E> action) Performs the given action for each element in this stack until all elements have been processed or the action throws an exception.
boolean	isEmpty()
E	peek()
PStack<E>	pop()
PStack<E>	push(E e)
String	toString()

Method Detail

push

PStack<E> push(E e)

Returns:

new stack with added element

peek

E peek()

Returns:

element at the top of this stack

Throws:

IllegalStateException - if this stack is empty.

pop

PStack<E> pop()

Returns:

new stack with removed element

Throws:

IllegalStateException - if this stack is empty.

isEmpty

boolean isEmpty()

Returns:

true if this stack contains no elements

forEach

void forEach(Consumer<E> action)

Performs the given action for each element in this stack until all elements have been processed or the action throws an exception.

anyMatch

boolean anyMatch(Predicate<E> predicate)

toString

String toString()

Overrides:

toString in class Object

Returns:

a string representation of this stack