[Oz] Loading modules in OPI

[Peter Van Roy]

> 
> I'm trying to load a module i downloaded from MOGUL (expat)  into my
> interactive session in Emacs, but i can't seem to figure out the
> proper way to do it. evaluating a "functor" statement gives syntax
> errors, and Module.link seems the only other way to load modules but
> it doesn't work either. what am I missing?
> 
> -- 
> Allen Short, CS Geek

There are two basic ways.

1. If you want to import a functor in another one, then do the
   following:

   functor
   import QTk at 'http://www.info.ucl.ac.be/people/ned/qtk/QTk.ozf'
   ...
   end

   That is, the 'at URL' clause can have a URL or file name containing
   the compiled functor.  If you omit the 'at' clause then the system
   looks in standard places.

2. If you want direct access to a module from within the Oz Emacs interface
   (also known as OPI -- Oz Programming Interface) then do the following:

   declare

   [QTk]={Module.link ["http://www.info.ucl.ac.be/people/ned/qtk/QTk.ozf"]}

   This loads the functor and installs it locally, giving access to a module.
   List brackets are needed because you can load many modules in one statement.

The above examples are taken from the QTk home page at
http://www.info.ucl.ac.be/people/ned/qtk/index.html

Sincerely,

Peter

-- 
Peter Van Roy
Département d'Ingénierie Informatique
(Department of Computing Science and Engineering)
Université catholique de Louvain
B-1348 Louvain-la-Neuve, Belgium

Email: pvr at info.ucl.ac.be
Tel: (+32) (10) 47.83.74
Web: http://www.info.ucl.ac.be/~pvr/
Mozart: http://www.mozart-oz.org


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