Re: I/O streaming with custom data transport

On Wed, 22 Nov 2006 10:21:02 +0100, Maciej Sobczak wrote:

I don't understand. The focus here is on foo - which represents the set
of functions that can use the stream without really caring what the
stream is.

OK, then it is just what Ada calls a class-wide subprogram:

type My_Abstract_Stream is abstract new Root_Stream_Type ...;

-- Somewhere else
procedure Foo (S : in out My_Abstract_Stream'Class);

--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
.

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