• christopher diggins (12/12) Apr 09 2004 I do not know exactly how D currently implements interfaces, but I assum...
• Kris (13/25) Apr 09 2004 That looks interesting ... I sometimes toy with the notion that D might

"christopher diggins" <cdiggins users.sourceforge.net> writes:

I do not know exactly how D currently implements interfaces, but I assume it
uses the common method of using vtables. If this is the case then this post
might be of interest to this group.

I have developed a proposal for interfaces in C++ which uses fat pointers
for interface references and significantly outperforms comparable designs
using Abstract Base Classes. The demonstration program, source code and
explanation of technique is available online at:
http://www.heron-language.com/heronfront.html

-- 
Christopher Diggins
http://www.cdiggins.com
http://www.heron-language.com

"Kris" <someidiot earthlink.dot.dot.dot.net> writes:

That looks interesting ... I sometimes toy with the notion that D might
expose *any* external D class, or set of external classes, (such as those in
a DLL) as an Interface or set thereof. The latter instances would be
auto-generated by the compiler, perhaps using a command-line flag. It just
strikes me that Interfaces would be ideal for such use. They are, after all,
a mechanism for hiding the concrete implementation (meaning source-code).

If Interfaces were also to provide performance benefits, it might add weight
to the approach.

- Kris


"christopher diggins" <cdiggins users.sourceforge.net> wrote in message
news:c56j50$2q6f$1 digitaldaemon.com...
 I do not know exactly how D currently implements interfaces, but I assume

it
 uses the common method of using vtables. If this is the case then this

post
 might be of interest to this group.

 I have developed a proposal for interfaces in C++ which uses fat pointers
 for interface references and significantly outperforms comparable designs
 using Abstract Base Classes. The demonstration program, source code and
 explanation of technique is available online at:
 http://www.heron-language.com/heronfront.html

 --
 Christopher Diggins
 http://www.cdiggins.com
 http://www.heron-language.com