RE: [sv-ec] Can foreach iterate over a queue? If not, 12.7.3 would be more user-friendly if it mentioned this restriction

I had a typo in my last e-mail. Analogous means equivalent in some but
not all respects.

> -----Original Message-----
> From: Arturo Salz [mailto:Arturo.Salz@synopsys.com]
> Sent: Monday, September 03, 2007 11:42 PM
> To: Rich, Dave; Brad Pierce; sv-ec
> Subject: RE: [sv-ec] Can foreach iterate over a queue? If not, 12.7.3
> would be more user-friendly if it mentioned this restriction
> 
> I'm not sure I agree with Dave's meaning of the word "analogous". In
my
> mind, analogous is weaker than equivalent.
> 
> I do agree with Dave's intent: The foreach operator is allowed on
> queues. It is evidently quite useful, and there is no good technical
> reason to exclude queues.
> 
> 	Arturo
> 
> -----Original Message-----
> From: owner-sv-ec@eda.org [mailto:owner-sv-ec@eda.org] On Behalf Of
> Rich, Dave
> Sent: Monday, September 03, 2007 11:19 PM
> To: Brad Pierce; sv-ec
> Subject: RE: [sv-ec] Can foreach iterate over a queue? If not, 12.7.3
> would be more user-friendly if it mentioned this restriction
> 
> But the sentence before that says
> 
> "A queue is analogous to a one-dimensional unpacked array that grows
and
> shrinks automatically."
> 
> Analogous means equivalent in some represents. I would also say that
> "foreach" is an indexing operations
> 
> 
> The intent is that all unpacked arrays, fixed arrays and the
dynamically
> sized arrays (dynamic, queues, and associative) have the same
semantics
> for all array operations except in those that would allocate or
> de-allocate elements, and in argument passing by reference of
individual
> elements. Associative arrays do have a few additional methods for
> traversing their indexes, but there is no technical reason in
> restricting those methods to that one array type.
> 
> Dave
> 
> 
> > -----Original Message-----
> > From: owner-sv-ec@server.eda.org [mailto:owner-sv-ec@server.eda.org]
> On
> > Behalf Of Brad Pierce
> > Sent: Monday, September 03, 2007 9:05 PM
> > To: sv-ec
> > Subject: RE: [sv-ec] Can foreach iterate over a queue? If not,
12.7.3
> > would be more user-friendly if it mentioned this restriction
> >
> > According to 7.11, a queue is not a kind of array --
> >
> >      "Thus, like arrays, queues can be manipulated using the
indexing,
> > concatenation, slicing operator syntax, and equality operators."
> >
> > -- Brad
> >
> > -----Original Message-----
> > From: Rich, Dave [mailto:Dave_Rich@mentor.com]
> > Sent: Monday, September 03, 2007 9:01 PM
> > To: Brad Pierce; sv-ec
> > Subject: RE: [sv-ec] Can foreach iterate over a queue? If not,
12.7.3
> > would be more user-friendly if it mentioned this restriction
> >
> > I see no reason for a restriction. This is the problem we always run
> > into when we try to list features exhaustively: we forget something.
> >
> > All unpacked arrays should permit the same operations. The only
> > difference between different array types is when resizing the array.
> >
> > Dave
> >
> >
> > > -----Original Message-----
> > > From: owner-sv-ec@server.eda.org
[mailto:owner-sv-ec@server.eda.org]
> > On
> > > Behalf Of Brad Pierce
> > > Sent: Friday, August 31, 2007 4:44 PM
> > > To: sv-ec
> > > Subject: [sv-ec] Can foreach iterate over a queue? If not, 12.7.3
> > would be
> > > more user-friendly if it mentioned this restriction
> > >
> > > According to 7.11,
> > >
> > >       "A queue is analogous to a one-dimensional unpacked array
that
> > > grows and shrinks automatically.  Thus, like arrays, queues can be
> > > manipulated using the indexing, concatenation, slicing operator
> > syntax,
> > > and equality operators."
> > >
> > > There is no mention of queues in 12.7.3 regarding "The foreach
> loop",
> > > and there is no mention of 'foreach' in 7.11, so I'm assuming that
> > > 'foreach' is one place where this analogy breaks down.
> > >
> > > 12.7.3 would be more user-friendly if it mentioned this
restriction.
> > >
> > > -- Brad
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > --
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> >
> >
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> 
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