trait Queue[A] extends Iterable[A]
Provides a FIFO queue of generic items, supporting enqueue
and
dequeue
operations, along with methods for peeking at the first item,
testing if the queue is empty, and iterating through the items in FIFO order.
Adapted from the book Algorithms 4 by R. Sedgewick and K. Wayne.
- See also
Section 1.3 of Algorithms, 4th Edition
Algorithms, 4th edition by Robert Sedgewick and Kevin Wayne, Addison-Wesley Professional, 2011, ISBN 0-321-57351-X. http://algs4.cs.princeton.edu
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type
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class
WithFilter extends FilterMonadic[A, Repr]
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Abstract Value Members
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abstract
def
dequeue(): A
Removes and returns the item on this queue that was least recently added.
Removes and returns the item on this queue that was least recently added.
- returns
first item of this queue
- Exceptions thrown
NoSuchElementException
if this queue is empty
- abstract def enqueue(item: A): Unit
-
abstract
def
iterator: Iterator[A]
Returns an iterator that iterates over the items in this queue in FIFO order without consuming them.
Returns an iterator that iterates over the items in this queue in FIFO order without consuming them. .
- returns
the iterator
- Definition Classes
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abstract
def
peek: A
Returns the item least recently added to this queue without consuming it.
Returns the item least recently added to this queue without consuming it.
- returns
first item of this queue
- Exceptions thrown
NoSuchElementException
if this queue is empty
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(Changed in version 2.9.0) The behavior of
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seq: Iterable[A]
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def
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def
toString(): String
Returns a string representation of this queue without consuming it.
Returns a string representation of this queue without consuming it.
- returns
the sequence of items in FIFO order
- Definition Classes
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def
toTraversable: Traversable[A]
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(Changed in version 2.9.0)
transpose
throws anIllegalArgumentException
if collections are not uniformly sized.
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def
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- Definition Classes
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def
view(from: Int, until: Int): IterableView[A, Iterable[A]]
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view: IterableView[A, Iterable[A]]
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def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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def
wait(arg0: Long): Unit
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def
withFilter(p: (A) ⇒ Boolean): FilterMonadic[A, Iterable[A]]
- Definition Classes
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zip[A1 >: A, B, That](that: GenIterable[B])(implicit bf: CanBuildFrom[Iterable[A], (A1, B), That]): That
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