[...]
> I probably did not consider the problem thoroughly enough. I 
> was expecting "%[]]" to match a range of ']' and "%[]" to 
> match the empty range of characters (which is a rather 
> useless construct anyway, as you point out). Now I realize 
> this would render almost impossible the interpretation of a 
> such a format as "%[]abcdefg...": you simply never know if 
> it is the prefix of a range conversion specifier or a empty 
> range conversion specifier followed by a string constant 
> specifier.
> 
> While the empty range conversion is admittedly useless, a 
> full range conversion is a whole different story. Coding it 
> as "%[\000-\255]" is possible, but maybe it would useful to 
> add a "%z" specifier to mean "read till the end of input".
> 
> What do you think?
> 
> Alex

I should say that I am reluctant to had a special typing rule for the
new specifier you proposed, when "%[\000-\255]" does perfectly the job
and does not require any addition to the type-checker nor to the
implementation of Scanf.

Pierre Weis

INRIA, Projet Cristal, Pierre.Weis@inria.fr, http://pauillac.inria.fr/~weis/


-------------------
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