The trouble is, you'd have to completely scrap the
way Perl handles assignments.
For $foo = $bar + 1, the rhs is evaluated
first and the result is stored in $foo. What you want
is to store the rhs expression in $foo (ie, more or less
a sub ref).
And, as swiftone says, every variable that has a
cascaded variable on the rhs of its assignment is
forced to become a cascade variable itself, with potentially
dire results. Perhaps meltdown would be
a better name :)
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