though I doubt 2 + 2 = $foo; would ever be a good one :)

"2 + 2 equals $foo, for certain values of 2"... hmmm...

No, really, i think 2 + $bar = 3 would be a nice way to write $bar = 1, but _very_ hard to make.

2;0 juerd@ouranos:~$ perl -e'undef christmas'
Segmentation fault
2;139 juerd@ouranos:~$
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