scala.collection.immutable.Stack
class Node

[source: `scala/collection/immutable/Stack.scala`]

@serializable
`protected` `class` Node[+B >: A](elem : B)
  `extends` Stack[B]

Method Summary
`override def` | apply (n : Int) : B Returns the n-th element of this stack. The top element has index 0, elements below are indexed with increasing numbers.
`override def` | hashCode : Int Returns the hash code for this stack.
`override def` | isEmpty : Boolean Checks if this stack is empty.
`override def` | length : Int Returns the size of this stack.
`override def` | pop : Stack[B] Removes the top element from the stack.
`override def` | top : B Returns the top element of the stack. An error is signaled if there is no element on the stack.

Methods inherited from Stack
+, +, push, elements, equals, stringPrefix

Methods inherited from Seq
lengthCompare, size, concat, last, lastOption, headOption, ++, isDefinedAt, lastIndexOf, map, flatMap, filter, take, drop, slice, takeWhile, dropWhile, reverse, contains, subseq, toArray, projection, equalsWith, startsWith, endsWith, indexOf, containsSlice

Methods inherited from Collection
toString

Methods inherited from Iterable
foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, toStream, mkString, mkString, mkString, addString, addString, copyToArray, hasDefiniteSize

Methods inherited from PartialFunction
orElse, andThen

Methods inherited from Function1
compose

Methods inherited from AnyRef
getClass, clone, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized

Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf

Method Details

`override` `def` isEmpty : Boolean

  Checks if this stack is empty.

Returns
  true, iff there is no element on the stack.

Overrides
  Stack.isEmpty

`override` `def` length : Int

  Returns the size of this stack.

Returns
  the stack size.

Overrides
  Stack.length

`override` `def` top : B

  Returns the top element of the stack. An error is signaled if there is no element on the stack.

Returns
  the top element.

Overrides
  Stack.top

`override` `def` pop : Stack[B]

  Removes the top element from the stack.

Returns
  the new stack without the former top element.

Overrides
  Stack.pop

`override` `def` apply(n : Int) : B

  Returns the n-th element of this stack. The top element has index 0, elements below are indexed with increasing numbers.

Parameters
  `n -` the index number.
Returns
  the n-th element on the stack.

Overrides
  Stack.apply

`override` `def` hashCode : Int

  Returns the hash code for this stack.

Returns
  the hash code of the stack.

Overrides
  Stack.hashCode