On Thu, Aug 26, 2010 at 1:33 PM, Lukas Renggli <renggli@gmail.com> wrote:

I wonder why there is the need for a stack class at all?

OrderedCollection is the class designed to do Stacks and Queues
efficiently and portably, see #addFirst:, #addLast:, #first, #last,
#removeFirst, #removeLast.

Lukas

2010/8/26 Bart Gauquie <bart.gauquie@gmail.com>:

> Hi list,
>
> is there a specific reason Stack is extending from LinkedList, instead of
> using a LinkedList internally?
> To me, it seems that the protocol that LinkedList, SequenceableCollection,
> ... provides is not the protocol you expect from a Stack?
>
> Any thoughts on this?
>
> Kind regards,
>
> Bart
>
> --
> imagination is more important than knowledge - Albert Einstein
> Logic will get you from A to B. Imagination will take you everywhere -
> Albert Einstein
> Learn from yesterday, live for today, hope for tomorrow. The important thing
> is not to stop questioning. - Albert Einstein
> The true sign of intelligence is not knowledge but imagination. - Albert
> Einstein
> However beautiful the strategy, you should occasionally look at the results.
> - Sir Winston Churchill
> It's not enough that we do our best; sometimes we have to do what's
> required. - Sir Winston Churchill
>

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--
Lukas Renggli
www.lukas-renggli.ch

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