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Date: Wed, 23 Nov 2011 05:16:46 -0500
From: pete <pfiland@mindspring.com>
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.c:13812

Ark wrote:
> 
> On 11/22/2011 1:49 AM, pete wrote:
> > Ark wrote:
> >>
> >> On 11/21/2011 5:45 PM, pete wrote:
> >
> >>> A null pointer constant, may be converted to null pointer.
> >>>
> >>> I refer to any expression of any type,
> >>> as an instance of that type.
> >>>
> >>> (0.0) is a double.
> >>>
> >> I wonder if an expression
> >> (i.e. a critter with a type and a value) is in
> >> some sense "an instance".
> >> Is there any point in distinguishing an
> >> instance and an object? If so, what is it?
> >
> > The assignment expression statement
> >      a = 0;
> > implies that there is an object named (a)
> > and that after the assignment
> > that (a) will have a value of (0).
> >
> > The assignment expression (a = 0)
> > does *not* imply that prior to the assignment
> > that there is a region of storage with a value of (0)
> > waiting to be loaded and moved into (a).
> >
> Is it so? I believe that in C abstract machine, object a exists in the
> block it is declared whether it is assigned to or not.

That's what I believe too.

I don't understand what it is 
that you think you're replying to.

-- 
pete