Brice --
No, I haven't addressed it. Thanks for bringing it back to my attention.
The problem is that we want:
notice $a
$a = "foo"
to be exactly the same as
$a = "foo"
notice $a
in that source order *does not matter* in the propagation of values. That's
the essence of the futures patch, and depends on the fact that $a can be
assigned at most once in any scope.
On the other hand, we can at least in theory write things like
if $x =~ /a(.*)/ or $x =~/(.*)z/ {
notice $1
}
and if $x were "abcxyz" and we intend to maintain the no side effect, order
independent semantics, what should $1 be in the block?
As you can see, this isn't really a question about the patch but about what
the desired effect is. Only when we figure that out can we tell if the
patch is a step in the right direction.
-- Maruks
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