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[Caml-list] [ANN] The Missing Library
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Date: | 2004-04-28 (00:20) |
From: | skaller <skaller@u...> |
Subject: | Re: [Caml-list] Re: Common IO structure |
On Wed, 2004-04-28 at 02:58, Yamagata Yoriyuki wrote: > I'm interested in an emprical evidence, though. You don't need it. It is clear that there are common (99%) of all cases where UTF-8 representation of ISO10646 is the same as ASCII, and 90% of the rest using Latin-1 which converts very very fast. In these common cases the overhead of non-inlined function calls to convert characters could be very serious. Perhaps it isn't and perhaps it is. Who knows? Providing bulk conversions seems a prudent way to hedge your bets. It makes the interface richer, but there is a universal default for the bulk operations, so no burden is imposed on the implementor. To add to the argument in favour of bulk conversions: in principle, doing *any* conversions on I/O is a bad idea. The order of priority is: 1. single point codecs 2. string codecs 3. IO codecs Doesn't really make sense to have (1) and (3) and not (2). -- John Skaller, mailto:skaller@users.sf.net voice: 061-2-9660-0850, snail: PO BOX 401 Glebe NSW 2037 Australia Checkout the Felix programming language http://felix.sf.net ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners