Queue

class Queue<Type> < DoubleStack<Type>

Double-ended queue.

Member Functions

Name	Description
front	Get the first element.
back	Get the last element.
pushFront	Insert a new element at the start.
pushBack	Insert a new element at the end.
popFront	Remove the first element and return it.
popBack	Remove the last element and return it.

Member Fibers

Name	Description
walk	Forward iteration.

Member Function Details

back

function back() -> Type

Get the last element.

front

function front() -> Type

Get the first element.

popBack

function popBack() -> Type

Remove the last element and return it.

popFront

function popFront() -> Type

Remove the first element and return it.

pushBack

function pushBack(x:Type)

Insert a new element at the end.

• x: Value.

pushFront

function pushFront(x:Type)

Insert a new element at the start.

• x: Value.

Member Fiber Details

walk

fiber walk() -> Type

Forward iteration.

Return: a fiber object that yields each element in forward order.