Hi Russel,
The “trick” is to know that the range 1 .. 0 is the canonical empty range (one
of
many of course). So then
> cat foo.chpl
proc main() {
var empty : [1 .. 0] real;
writeln('numElements: ', empty.numElements);
}
> chpl -o foo foo.chpl
>
> ./foo
numElements: 0
Regards,
Mike
> On Sep 3, 2016, at 9:49 AM, Russel Winder <[email protected]> wrote:
>
> In trying to define an empty, zero length array, I tried the program:
>
> proc main() {
> const emptyArray: [?] real;
> }
>
> but it gave me the error:
>
> |> chpl incorrectArrayDeclaration.chpl
> incorrectArrayDeclaration.chpl:2: internal error: CAL0057 chpl Version
> 1.13.1.8b51523
> Note: This source location is a guess.
>
> Internal errors indicate a bug in the Chapel compiler ("It's us, not you"),
> and we're sorry for the hassle. We would appreciate your reporting this bug
> --
> please see http://chapel.cray.com/bugs.html for instructions. In the
> meantime,
> the filename + line number above may be useful in working around the issue.
>
>
> --
> Russel.
> =============================================================================
> Dr Russel Winder t: +44 20 7585 2200 voip: sip:[email protected]
> 41 Buckmaster Road m: +44 7770 465 077 xmpp: [email protected]
> London SW11 1EN, UK w: www.russel.org.uk skype:
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