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... daniel