Em Ter, 2009-02-24 às 08:59 -0800, Larry Wall escreveu:
> I'm using ±  more in the engineering sense than the mathematical
> sense.

What about...

  if $x ~~ [..] $x ± $epsilon {...}

That would mean that $x ± $epsilon in list context returned each value,
where in scalar context returned a junction, so the reduction operator
could do its job...


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