[J3] Can elemental procedure have no dummy arguments?

[Steve Lionel]

On 4/25/2018 2:00 PM, Daniel C Chen via J3 wrote:
>
> I think the question is then: Should the standard have an explicit 
> constraint saying an elemental procedure (function or subroutine) 
> should have at least one dummy argument (optional or not)?
>
I would say "not". There's no harm done in allowing this combination, 
even if we can't think of a use. Consider, what's the "use" of a program 
consisting of just an END statement? We don't tend to go in for such 
restrictions.

Steve
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