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Re: I don't believe in "(may GC)"

This page is part of the web mail archives of SRFI 50 from before July 7th, 2015. The new archives for SRFI 50 contain all messages, not just those from before July 7th, 2015.

>>>>> "Thomas" == Thomas Bushnell <tb@xxxxxxxxxx> writes:

Thomas> Richard Kelsey <kelsey@xxxxxxx> writes:

>>    If I'm using some exotic number representation (constructive reals,
>>    perhaps), then EXTRACT_DOUBLE may very well involve some pretty hairy,
>>    hence possibly GC-causing, computation.
>> This doesn't worry me too much; there aren't a lot of such
>> implementations around.

Let me rephrase: In what kind of environment would "hairy"
*necessarily* imply "GC-causing"?

(There used to be a version of Scheme 48 where the equivalent of
SCHEME_EXTRACT_LONG could cause a GC because it could do a callback.
This was an implementation convenience, not a necessity, and it's gone

Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla