Re: Efficiency of single inheritance

From:
Ulrich Eckhardt <eckhardt@satorlaser.com>
Newsgroups:
comp.lang.c++.moderated
Date:
Wed, 28 Feb 2007 14:11:16 CST
Message-ID:
<ldggb4-bnm.ln1@satorlaser.homedns.org>
Davin Pearson wrote:

I recently read a book that was cancelled from the University of
Canterbury library called: "Object Oriented Programming in Oberon-2"
by Hanspeter M\"ossenb\"ock. One sentence in this book that stands
out for me is this one:

"Multiple inheritance also leads to less efficient code. For example
in C++ a method invocation causes additional runtime costs because of
the overhead involved with multiple inheritance --- even if the
program uses only single inheritance." (from page 109)


This is complete and utter nonsense. In particular, if the author doesn't
highlight what he compares the C++ mechanisms to, this statement can
neither be affirmed nor denied. In my eyes, this statement as it stands
only causes FUD.

Uli

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