Re: [Caml-list] separate compilation

[Esther Baruk <esther.baruk@gmail.com>]

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You must also put the signature of the module type CharPQueueAbs in the
implementation (A.ml).
Note that the directive #use or #load are toplevel directives. They cannot
be used at compilation.



Esther Baruk


On Thu, Sep 8, 2011 at 4:26 PM, Walter Cazzola <cazzola@dico.unimi.it>wrote:

> Dear Experts,
> I'm a sort of newbe so be patient with if I ask something too silly
> (I've googled around but I didn't find anything really usefull).
>
> At the moment I'm investigating on how the OCaML module system and the
> separate compilation works.
>
> Nothing original I took the priority queue example from the user manual
> and split it into three files (attached): one with the structure (A.ml)
> one with the signature (A.mli) and one with a silly main (main.ml).
>
> Following the instructions in the manual I have tried to compile each
> file without linking but the only that compiles with success is the file
> with the signature since it doesn't refer to any other file.
>
> When I compile the structure or the main I get this error:
>  >ocamlc -c A.ml
>  File "A.ml", line 17, characters 39-52:
>  Error: Unbound module type CharPQueueAbs
>
> I have tried to put #use or #load in the A.ml and main.ml file but the
> only result is to get a syntax error (e.g., with #use "A.mli" at the
> beggining of A.ml)
>
>  >ocamlc -c A.ml
>  File "A.ml", line 1, characters 0-1:
>  Error: Syntax error
>
> What am I doing wrong? Any help is appreciate, thanks.
>
> Walter
>
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