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From: Brad Lucier <lucier@xxxxxxxxxxxxxxx> > I hope you don't try to define predicate->bitset in a later SRFI ;-). > > Well, I guess it's too late to put it into the lset-... suite of > operations in SRFI 1... My unstated (definitely understated) point is that predicate->bitset will never return in the general case, which isn't much different from how long it will take predicate->char-set to return on systems that use a four-byte character representation. Yep, I understood. Just a little bit of wry academic humor there, on my part. Clearly people who use 4-byte char types will have to stear clear of ops that are linear in the type size. -Olin