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[Caml-list] (Sorry for my last post) lazyness, exceptions?, ocaml syntax rule-of-thumbs
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| Date: | -- (:) |
| From: | Kontra, Gergely <kgergely@m...> |
| Subject: | Re: [Caml-list] (Sorry for my last post) lazyness, exceptions?, ocaml syntax rule-of-thumbs |
>> > One point was ocaml is really obscure is the file reading: it needed to
>> > wrap the line-reading in an infinite loop, and this loop is ended via an
>> > exception. I think End_of_file is not an exception, it is just an event.
>
>What next ? int_of_string "foo" returning None ?
No, that wouldn't be a good idea.
But writing int_of_string "foo" is a bad thing, while the end-of-file
thing is not a design problem. Is there a function to test eof? (without
consuming a line?)
>If you want to read a whole file as a string, you can use the
>following function:
[snip]
Well, but what about memory usage?
I just miss an iterator, or sg. like that, which reads a line, processes
it, reads next line...
Just want to write cleaner, which eg. in ruby is just (so intuitive)
IO.foreach("filename.ext") {|line|
# process line
}
and don't like infinite loops.
Gergo
+-[Kontra, Gergely @ Budapest University of Technology and Economics]-+
| Email: kgergely@mcl.hu, kgergely@turul.eet.bme.hu |
| URL: turul.eet.bme.hu/~kgergely Mobile: (+36 20) 356 9656 |
+-------"Olyan langesz vagyok, hogy poroltoval kellene jarnom!"-------+
.
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