|Think about Loose Coupling|
Re^3: Hash element exists/delete (= in conditional)by LanX (Canon)
|on Jan 22, 2013 at 10:54 UTC||Need Help??|
Because it's valid code, $two could be a boolean to be tested and as a side-effect $one is set.
cause now it makes less sense.
And personally I would be glad if this would cause a warning, too!