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[Caml-list] "Nasty" functions and memory usage

Alex Baretta
- David Fox
  - David Fox
- Alex Baretta
  - Sebastien Carlier
- David Fox
- Xavier Leroy
- David Fox
  - Jean-Christophe Filliatre
    - Sven LUTHER

Date:	-- (:)
From:	Sven LUTHER <luther@d...>
Subject:	Re: [Caml-list] Quick question - accessing variant value from C

On Thu, Mar 29, 2001 at 09:54:02AM +0200, Jean-Christophe Filliatre wrote:
> 
> Hi,
> 
> You can use the macros Is_long / Is_block to discriminate between Null
> and Address, since the first one  is represented as an integer and the
> second one  as a  structured block  (in the later  case, you  can then
> access the string with the Field macro).

Additionally, some reading of the "Interfacing C with Objective Caml" chapter
of the ocaml documentation is a must read for this, far more inmportant than
the mlvalues.h file, i think.

Friendly,

Sven Luther
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