HaloO, one nifty thing could be negation propagation in chained comparisons: ($a ne $b ne $c) === !($a eq $b || $b eq $c). This again insures some sanity if any of $a, $b or $c are junctions. BTW, the boolean connectives &&, || and ^^ shouldn't be auto-threaded through junctions.
Regards, TSa. -- "The unavoidable price of reliability is simplicity" -- C.A.R. Hoare "Simplicity does not precede complexity, but follows it." -- A.J. Perlis 1 + 2 + 3 + 4 + ... = -1/12 -- Srinivasa Ramanujan
