Re: [Caml-list] camlimages vs. labltk

[Damien Doligez <Damien.Doligez@inria.fr>]

On Thursday, March 27, 2003, at 08:46 PM, Chris Hecker wrote:

> It seems like there are a couple different options:
>
> 1.  relax the semantics of module inclusion/initialization so that 
> -pack can simultaneously provide the nested module syntax of 
> Package.Foo but it doesn't have to link all of the submodules, like a 
> cma
>
> 2.  define a new namespace system and syntax (or reuse the module 
> syntax, not sure what the issues are there)
>
> Are there any other options?  Did I get all of that right?

How about a solution based on renaming ?  Let's say I have two modules
from different programmers, both named "Mylib", and I want to use them
in my program.  I cannot because the module system does not allow two
different modules with the same name to coexist.  The obvious solution
is a tool that renames one of the Mylib modules.  Then I can use both
modules in one program.

It becomes a little more complex when you consider that a module also
imports other modules, referenced by their names.  For example, I can
have (in addition to the two "Mylib" modules) another pair of modules,
Extlib and Superlib, written by two other programmers, and I want to
use them both in my program.  And Extlib uses one of the Mylib, Superlib
uses the other one.  Now if I rename the second Mylib into Mylib2,
I also have to tell Superlib to use Mylib2 instead of Mylib.

So I need a tool to rename modules, both as exports and as imports,
then I can use any module I want, without changing anything in the
language, and without the need for a universal naming scheme.

-- Damien

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