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On 12-Nov-06, at 10:20 PM, Chongkai Zhu wrote:

>
>> It is impossible to write a portable and complete implementation of
>> the weak-keys and weak-values parameters because weak references are
>> not standard.
>
> Seems that we should introduce another SRFI to define weak references.

It would be interesting to have a SRFI defining weak references.
However, this would probably not solve your immediate problem because
the "implementation" part of that SRFI would be absent or system
dependent.

Marc

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