Re: Access types

[jerry@jvdsys.nextjk.stuyts.nl (Jerry van Dijk)]

jsanchor@my-dejanews.com wrote:

: HI, I am working with access types and have a challenge at hand which I seem
: to be losing. Need some help. I have data in Non Volatile Memory and RAM that
: I need to access using access types. The problem is I need to have the same
: "types" to work on the data, ie compare them, calculate checksum, etc.

What you seem to mean is something like:

	package Memory is

	   type Memory_Type is abstract tagged
	      record
	         null; -- Put the data here
	      end record;

	   type Memory_Ptr is access Memory_Type'Class;

	   type ROM is new Memory_Type with null record;

	   type RAM is new Memory_Type with null record;
      
	end Memory;

-- 
-- Jerry van Dijk  | email: jdijk@acm.org
-- Leiden, Holland | member Team-Ada