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Date: Fri, 26 Oct 2012 15:56:21 -0200
From: =?iso-8859-1?Q?Jos=E9?= Romildo Malaquias <j.romildo@gmail.com>
To: Edgar Friendly <thelema314@gmail.com>
Cc: caml-list@inria.fr
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Subject: Re: [Caml-list] Importing specific names

On Fri, Oct 26, 2012 at 10:48:11AM -0400, Edgar Friendly wrote:
> On 10/26/2012 7:26 AM, José Romildo Malaquias wrote:
> > Hello.
> >
> > It seems that the expression ocaml "open module-path" exposes all names
> > exported by module-path.
> >
> > Is there any way of exposing only a restrict set of names from a
> > module-path, instead of all names?
> >
> > Romildo
> >
> If I want to import only a few values from a module, I often use 
> something like this:
> 
>    let (a,b,c) = Module.(a,b,c)

What about importing algebraic types with its constructors or record
types with its field names, without repeating the type definition? Would
that be possible?

For instance, I want to import the record type

  type position = {
       pos_fname :string;
       pos_lnum :int;
       pos_bol :int;
       pos_cnum :int;
  }

from the Lexing module.

Romildo