On Wed, Nov 24, 2010 at 07:25:08PM +0200, Avi Kivity wrote: > On 11/24/2010 07:17 PM, Jes Sorensen wrote: > >> > >> Anyone wishing to implement this interface is forced to implement read > >> and write methods (callbacks) with exactly the right signature. The > >> compiler will complain if they don't. So if File is a good interface, > >> we can make the compiler force people to use it correctly. > >> > >> We can emulate this in C with ->ops-> things, but that's just > >> boilerplate and more places for people to get things wrong, or lazy and > >> take shortcuts. > > > >In the mean time we spend our time debugging the runtime because the > >virtual functions don't behave as expected. In C we know what is going > >on, in C++ it is pray and hope. > > That is pure bullshit. All major browsers are written in C++, all > major office suites, one leading free desktop, google, countless > other projects. There is a lot more C++ code in the world than C > code. If virtual functions didn't behave as expected, surely we'd > hear by now. > Google don't use exceptions though :) They claim it is hard to integrate with legacy code if exceptions are used. Our case BTW. -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
