I do not know what you are trying to get to. First,
all values are constants. Values never
change,
3 remains
3 (unless you
are programming in Fortran). A
variable
can have a constant property though.
As for tainting, well, currently Perl already works that
way. Data (values) is flagged to be tainted, with the
flags being propagated.
-- Abigail
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