A Deque is a double-ended queue with a pop method that can block until an element is available. It is commonly used to synchronize threads.
pop
new()
Create a new Deque instance which is initially empty.
add(i:T):Void
Adds an element at the end of this Deque.
this
(Java,Jvm): throws java.lang.NullPointerException if i is null.
java.lang.NullPointerException
i
null
pop(block:Bool):Null<T>
Tries to retrieve an element from the front of this Deque.
If an element is available, it is removed from the queue and returned.
If no element is available and block is false, null is returned.
block
false
Otherwise, execution blocks until an element is available and returns it.