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Postings from May 2005
On 5/14/05, Damian Conway <damian@conway.org> wrote:
> Larry wrote:
>
> > I don't think we can allow this situation to stand. Either we have
> > to make != and !~ and ne transform themselves via "not raising", or
> > we have to disallow negative comparisons on junctions entirely.
> >
> > Opinions?
>
> Making them DWIM here would be a mistake, since the dwimmery would disappear
> if anyone refactored:
>
> if $note != $do | $re | $me {...}
>
> to the supposedly identical:
>
> if $note != $do || $note != $re || $note != $me {...}
>
> That would be a bad outcome...pedagogically as well as from a maintainability
> point-of-view.
Hmm. I'll just that if != is implemented like this:
multi sub infix:<!=> (Any|Junction $a, Any|Junction $b) {
!($a == $b);
}
Then it Just Works.
Luke
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