RE: [sv-ec] RE: Manti 2701, 2514 - response to Tom Alsop's feedback

Yes, I think that would be clearer.

Thanks,
Shalom  

> -----Original Message-----
> From: jonathan.bromley@doulos.com 
> [mailto:jonathan.bromley@doulos.com] 
> Sent: Thursday, April 30, 2009 11:39 AM
> To: Bresticker, Shalom
> Cc: sv-ec@server.eda.org; Alsop, Thomas R
> Subject: Re: [sv-ec] RE: Manti 2701, 2514 - response to Tom 
> Alsop's feedback
> 
> Shalom,
> 
> > On 2701, I would like to include an example for the 
> push_front() case.
> > 
> > int Q2[$:1]; // only [0:1] is allowed
> > Q2 = {0,1};
> > Q2.push_front(2);
> > 
> > I assume I should get
> > Q2[0] = 2
> > Q2[1] = 0
> > And a warning because the operation attempts to write Q2[2]. 
> 
> Yes, that's exactly what I wanted to define.
> 
> > But I can see that someone might be unsure about the final 
> state of the 
> queue.
> 
> This is precisely why I tried to word it very generally, by
> appealing to the unbounded queue behavior to define what happens 
> to any in-range elements.
> 
> There's another way of looking at this.  You could say that 
> the effect is AS IF (doesn't have to be implemented this way):
> - any operation on a bounded queue shall proceed exactly as it 
>   would for an unbounded queue, BUT THEN
> - if the resulting queue value has any element that lies beyond
>   the queue's upper bound, then all such out-of-bounds elements
>   shall be discarded so that the resulting queue remains within 
>   its bound, and a warning shall be issued.
> 
> Would that be clearer?  It would certainly remove the need to
> describe any special cases.
> -- 
> Jonathan Bromley
> Consultant
> 
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