On Tue, Oct 30, 2001 at 04:15:46PM -0600, David M. Lloyd wrote:
> On Wed, 31 Oct 2001, Damian Conway wrote:
>
> > To me C<is const> means: "the *value* stored in the memory
> > implementing this variable cannot be changed". Which doesn't preclude
> > rebinding the variable to some *other* memory.
> >
> > But others have a different (and equally reasonable) interpretation of
> > C<is const>: "the value I get from this variable will always be the
> > same".
>
> Then maybe we shouldn't call it 'is const'? Or maybe another tag is
> needed in addition, like 'is unbindable' for the latter case.
Yes, I see the wisdom of not using "const" here, since it does carry
SO MUCH baggage. "final" has Java baggage. "only", "stable",
"ro" or "firm" might be the way to go.
"unbindable" is a bit of a mouthfull... Perhaps "fixed" or "eternal"
would be good.
our $.pi is firm is fixed = 22/7;
Has a nice ring to it.... Of course, so does
our $.author is eternal = 'Larry';
Meaning you can have a new author, but only by killing the old one ;-)
Speaking of killing the old one, I assume that:
$a = 1;
$b = 2;
$c := $a;
$a := $b;
Will leave:
$c == 1 && $a == 2
True?
--
Aaron Sherman
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"Write your letters in the sand for the day I'll take your hand
In the land that our grandchildren knew." -Queen/_'39_
