On Apr 11, 2010, at 9:40 AM, Marc Weber wrote:
> Hi Yury!
>
> derivation {
> a = "${b}";
> b = "${a}";
> }
>
> what should be the result?
The result should be infinite recursion and an
interpreter "hang" with a naive implementation,
or an error message and FULLSTOP (or better, an exception)
during run-time evaluation with a correct implementation.
> So I'd limit this to replacing $out only.
>
The problem of infinite recursion can/will reappear
no matter value ${out} has, as its intrinsic to lazy evaluation.
73 de Jeff
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