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Why no MI present in C#? Joel Holdsworth10-Apr-05 6:11 Joel Holdsworth 10-Apr-05 6:11  I've always wondered why there's no support for multiple inheritance in C#. Has been removed for performance reasons? or just due to dumning down? Joel Holdsworth Wanna give me a job this summer? Check out my online CV and project history[^] Re: Why no MI present in C#? Nemanja Trifunovic11-Apr-05 3:04 Nemanja Trifunovic 11-Apr-05 3:04  Everything derives from object in C# hierarchies. Therefore, if MI was allowed you would automatically have a "diamond of death" each time you use it. Unless of course, all inheritance were virtual, but that would be too costly. I think C# really misses not a full-fledged MI, but some form of mix-ins. My programming blahblahblah blog. If you ever find anything useful here, please let me know to remove it. Re: Why no MI present in C#? Joel Holdsworth11-Apr-05 22:49 Joel Holdsworth 11-Apr-05 22:49  Ok, that makes sense. I like the phrase "diamond of death" - I shall remember that one! Joel Holdsworth Wanna give me a job this summer? Check out my online CV and project history[^] Re: Why no MI present in C#? Turtle Hand11-Apr-05 3:05 Turtle Hand 11-Apr-05 3:05  AT the .NET Launch conference, the fellow that gave the keynote claimed that only a few people actually know how to design languages, compilers, etc. for Multiple Inheritence. They ommitted the feature for that reason. <signature> It's good to live, Josef Wainz Software Developer Re: Why no MI present in C#? Alexandru Savescu11-Apr-05 3:13 Alexandru Savescu 11-Apr-05 3:13  Well, they do have MI in C++, so I'm sure they could have asked the C++ guys something Regards, Alexandru Savescu Re: Why no MI present in C#? Nemanja Trifunovic11-Apr-05 3:25 Nemanja Trifunovic 11-Apr-05 3:25  Alexandru Savescu wrote: they could have asked the C++ guys something Or Eiffel guys, or CLOS guys, or even Python guys. My programming blahblahblah blog. If you ever find anything useful here, please let me know to remove it. Re: Why no MI present in C#? Bamaco211-Apr-05 5:38 Bamaco2 11-Apr-05 5:38  That seems to show that a few people actually know how to design languages, compilers, etc. [period] In my mind, C# is more of a product from Microsoft than an language per say. That is, of course, just an opinion. I like MI because I want the language to allow me to express myself as much as I can, and there are not many interesting relationship apart from "is-a" that defines inheritance in the first place, and you find that quickly, modeling "real world objects" in OO diagram, you quickly find use for multiple inheritance! Lets map the "problem", not the "solution" (Problem is the real world object, Solution is the "interface" coming from the computer science bag of tricks) As with all things Michael P Butler10-Apr-05 3:16 Michael P Butler 10-Apr-05 3:16  It can be a good thing but in the wrong hands it can make a developers life a nightmare. Michael CP Blog [^] Development Blog [^] Re: As with all things patnsnaudy10-Apr-05 5:42 patnsnaudy 10-Apr-05 5:42  I couldn't agree with you more! Jerry

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