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[Caml-list] Strings as arrays or lists...
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| Date: | -- (:) |
| From: | Xavier Leroy <xavier.leroy@i...> |
| Subject: | Re: [Caml-list] Strings as arrays or lists... |
> > in Haskell, strings are lists of chars. > > And what a horrible design decision that is! Agreed. Well, it's a great way to multiply the memory requirements for your strings by a factor of 12 (on 32-bit platforms) or 24 (on 64-bit platforms), while at the same time losing constant-time indexing :-) Actually, the list representation of strings is so repugnant that I don't even want to include "explode" and "implode" coercions between string and char list in the standard library. A standard library should steer users away from algorithmically-inefficient code. By not having implode and explode in the library, I hope OCaml programmers will come to the realization that the proper way to operate on strings is either via block operations (the String module, regexps, etc), or by recursion on integer indices. - Xavier Leroy ------------------- 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