Re: [Chicken-users] records in evicted objects

[Kon Lovett]

On May 23, 2007, at 10:44 AM, Dan Muresan wrote:

> > The zeroth "slot" of the record contains the symbol representing its
> > type. When you evict the record, you also evict the symbol. The
> > interned and uninterned symbols are not equal, hence the type-check
> > failure when it is inspected.
> > (equal? :pare (object-evict :pare)) => #f
> > You could set the slot-value back to the non-evicted, interned  
> > symbol:
>
> Well, the Chicken manual warns against setting slots in evicted  
> objects to non-evicted data, so I'm not gonna do it.
>
> I think the right thing to do would be to change the SRFI-9  
> implementation so that, for evicted objects, it skips the record  
> type test.

The misc-extn egg provides SRFI-9 workalikes that "... skips the  
record type test."

> Best,
> Dan
>
>
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