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>>>>> "Tom" == Tom Lord <lord@xxxxxxx> writes: >> From: Michael Sperber <sperber@xxxxxxxxxxxxxxxxxxxxxxxxxxx> Tom> SCHEME_FALSE, SCHEME_TRUE, SCHEME_NULL, and Tom> SCHEME_UNSPECIFIC should be functions, not constants: >> Why? Tom> [...] because, you never know, those constants might be Tom> heap allocated. >> That, AFAICS, doesn't mandate the above. Tom> Perhaps it would be clearer if I said that those constants may be Tom> _newly_ heap allocated. No. Tom> It isn't GC-safe to return values which may be unprotected from GC. Then GC-protect them. Tom> Anyway, why is it important to write them that way? You can't use Tom> them with == or !=. Why not? -- Cheers =8-} Mike Friede, Völkerverständigung und überhaupt blabla