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From: Goswin von Brederlow <goswin-v-b@web.de>
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Subject: Re: [Caml-list] Ocaml parser reports strange syntax-error position.

On Wed, Jun 05, 2013 at 11:52:49AM +0200, Romain Bardou wrote:
> Le 05/06/2013 11:49, Matej Kosik a écrit :
> > Hi,
> > 
> > If I type this to the Ocaml toplevel:
> > 
> >   Printf "%d" 10;;
> > 
> > The actual problem is that instead of "Printf" I should have typed "Printf.printf".
> > 
> > However, the parser complains about literal "10".
> > 
> > Is this the expected behavior or a bug (in parser's error-reporting routines)?
> > 
> 
> I guess it believes Printf here is not a module name (there is no dot)
> but a constructor (it is a capitalized identifier). But the syntax for
> constructors is either:
>   A
>   A x
>   A (x1, ..., xn)
> In other words, if A is a constructor, "A x y" is never a valid
> expression. It could also be a type error ("A x" is not a function, it
> cannot be applied) but apparently it is catched by the parser.
> 
> So I would say it is the expected behavior, but that it could be
> improved, as all error messages.

Can't be a function since it start with an uppercase.

Otherwise you are spot on:

# Printf "%d";;
Error: Unbound constructor Printf

MfG
	Goswin