[Mono-devel-list] Zero Length Arrays
bmaurer at users.sourceforge.net
Mon Jan 12 00:07:12 EST 2004
On Mon, 2004-01-12 at 07:16, Jonathan Gilbert wrote:
> At 08:42 PM 11/01/2004 -0500, you wrote:
> >On Sun, 2004-01-11 at 20:34, Piers Haken wrote:
> >> What about locking?
> >Multiple threads could try to allocate a zero length array at the same
> What about this pattern?
> object x = new object;
> object y = new object;
> if (object.ReferenceEquals(x, y)) throw new
> TheRuntimeIsInsaneException("Houston, we have a problem");
I think you can argue that it is runtime defined. For example, I would
consider it valid for:
(object)0 == (object)0
To be true (two value types get boxed to the same thing).
> Anyway, are arrays of length 0 really being created so often that a cheap
> speed hack is needed?
You can see it in some areas.
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