I Did It For You All...
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I Did It For You All...
Entered on: 03/25/1998
"I Did It For You All..."
On the 1st of January, 1998, Bjarne Stroustrup gave an interview to
the IEEE's 'Computer' magazine.
Naturally, the editors thought he would be giving a retrospective
view of seven years of object-oriented design, using the language he
By the end of the interview, the interviewer got more than he had
bargained for and, subsequently, the editor decided to suppress its
contents, 'for the good of the industry' but, as with many of these
things, there was a leak.
Here is a complete transcript of what was was said, unedited, and
unrehearsed, so it isn't as neat as planned interviews.
You will find it interesting...
Interviewer: Well, it's been a few years since you changed the
world of software design, how does it feel, looking back?
Stroustrup: Actually, I was thinking about those days, just before
you arrived. Do you remember? Everyone was writing 'C'
and, the trouble was, they were pretty damn good at it.
Universities got pretty good at teaching it, too. They were
turning out competent - I stress the word 'competent' -
graduates at a phenomenal rate. That's what caused the
Stroustrup: Yes, problem. Remember when everyone wrote Cobol?
Interviewer: Of course, I did too.
Stroustrup: Well, in the beginning, these guys were like demi-gods.
Their salaries were high, and they were treated like royalty.
Interviewer: Those were the days, eh?
Stroustrup: Right. So what happened? IBM got sick of it, and
invested millions in training programmers, till they were a
dime a dozen.
Interviewer: That's why I got out. Salaries dropped within a year,
to the point where being a journalist actually paid better.
Stroustrup: Exactly. Well, the same happened with 'C' programmers.
Interviewer: I see, but what's the point?
Stroustrup: Well, one day, when I was sitting in my office, I
thought of this little scheme, which would redress the
balance a little. I thought 'I wonder what would happen, if
there were a language so complicated, so difficult to learn,
that nobody would ever be able to swamp the market with
programmers? Actually, I got some of the ideas from X10, you
know, X windows. That was such a bitch of a graphics system,
that it only just ran on those Sun 3/60 things. They had all
the ingredients for what I wanted. A really ridiculously
complex syntax, obscure functions, and pseudo-OO structure.
Even now, nobody writes raw X-windows code. Motif is the only
way to go if you want to retain your sanity.
Interviewer: You're kidding...?
Stroustrup: Not a bit of it. In fact, there was another problem.
Unix was written in 'C', which meant that any 'C' programmer
could very easily become a systems programmer. Remember what
a mainframe systems programmer used to earn?
Interviewer: You bet I do, that's what I used to do.
Stroustrup: OK, so this new language had to divorce itself from
Unix, by hiding all the system calls that bound the two
together so nicely. This would enable guys who only knew
about DOS to earn a decent living too.
Interviewer: I don't believe you said that...
Stroustrup: Well, it's been long enough, now, and I believe most
people have figured out for themselves that C++ is a waste of
time but, I must say, it's taken them a lot longer than I
thought it would.
Interviewer: So how exactly did you do it?
Stroustrup: It was only supposed to be a joke, I never thought
people would take the book seriously. Anyone with half a
brain can see that object-oriented programming is
counter-intuitive, illogical and inefficient.
Stroustrup: And as for 're-useable code' - when did you ever hear
of a company re-using its code?
Interviewer: Well, never, actually, but...
Stroustrup: There you are then. Mind you, a few tried, in the
early days. There was this Oregon company - Mentor
Graphics, I think they were called - really caught a cold
trying to rewrite everything in C++ in about '90 or '91. I
felt sorry for them really, but I thought people would learn
from their mistakes.
Interviewer: Obviously, they didn't?
Stroustrup: Not in the slightest. Trouble is, most companies
hush-up all their major blunders, and explaining a $30
million loss to the shareholders would have been difficult.
Give them their due, though, they made it work in the end.
Interviewer: They did? Well, there you are then, it proves O-O
Stroustrup: Well, almost. The executable was so huge, it took
five minutes to load, on an HP workstation, with 128MB of
RAM. Then it ran like treacle. Actually, I thought this would
be a major stumbling-block, and I'd get found out within a
week, but nobody cared. Sun and HP were only too glad to sell
enormously powerful boxes, with huge resources just to run
trivial programs. You know, when we had our first C++
compiler, at AT&T, I compiled 'Hello World', and couldn't
believe the size of the executable, 2.1MB!
Interviewer: What? Well, compilers have come a long way, since
Stroustrup: They have? Try it on the latest version of g++ - you
won't get much change out of half a megabyte. Also, there are
several quite recent examples for you, from all over the
world. British Telecom had a major disaster on their hands
but, luckily, managed to scrap the whole thing and start
again. They were luckier than Australian Telecom. Now I hear
that Siemens is building a dinosaur, and getting more and
more worried as the size of the hardware gets bigger, to
accommodate the executables. Isn't multiple inheritance a
Interviewer: Yes, but C++ is basically a sound language.
Stroustrup: You really believe that, don't you? Have you ever sat
down and worked on a C++ project? Here's what happens:
First, I've put in enough pitfalls to make sure that only the
most trivial projects will work first time. Take operator
overloading. At the end of the project, almost every module
has it, usually, because guys feel they really should do it,
as it was in their training course. The same operator then
means something totally different in every module. Try
pulling that lot together, when you have a hundred or so
modules. And as for data hiding. God, I sometimes can't help
laughing when I hear about the problems companies have making
their modules talk to each other. I think the word
'synergistic' was specially invented to twist the knife in a
project manager's ribs.
Interviewer: I have to say, I'm beginning to be quite appalled at
all this. You say you did it to raise programmers'
salaries? That's obscene.
Stroustrup: Not really. Everyone has a choice. I didn't expect
the thing to get so much out of hand. Anyway, I basically
succeeded. C++ is dying off now, but programmers still get
high salaries - especially those poor devils who have to
maintain all this crap. You do realise, it's impossible to
maintain a large C++ software module if you didn't actually
Interviewer: How come?
Stroustrup: You are out of touch, aren't you? Remember the typedef?
Interviewer: Yes, of course.
Stroustrup: Remember how long it took to grope through the header
files only to find that 'RoofRaised' was a double precision
number? Well, imagine how long it takes to find all the
implicit typedefs in all the Classes in a major project.
Interviewer: So how do you reckon you've succeeded?
Stroustrup: Remember the length of the average-sized 'C' project?
About 6 months. Not nearly long enough for a guy with a
wife and kids to earn enough to have a decent standard of
living. Take the same project, design it in C++ and what do
you get? I'll tell you. One to two years. Isn't that great?
All that job security, just through one mistake of judgement.
And another thing. The universities haven't been teaching 'C'
for such a long time, there's now a shortage of decent 'C'
programmers. Especially those who know anything about Unix
systems programming. How many guys would know what to do with
'malloc', when they've used 'new' all these years - and never
bothered to check the return code. In fact, most C++
programmers throw away their return codes. Whatever happened
to good ol' '-1'? At least you knew you had an error,
without bogging the thing down in all that 'throw' 'catch'
Interviewer: But, surely, inheritance does save a lot of time?
Stroustrup: Does it? Have you ever noticed the difference between
a 'C' project plan, and a C++ project plan? The planning
stage for a C++ project is three times as long. Precisely to
make sure that everything which should be inherited is, and
what shouldn't isn't. Then, they still get it wrong. Whoever
heard of memory leaks in a 'C' program? Now finding them is
a major industry. Most companies give up, and send the
product out, knowing it leaks like a sieve, simply to avoid
the expense of tracking them all down.
Interviewer: There are tools...
Stroustrup: Most of which were written in C++.
Interviewer: If we publish this, you'll probably get lynched, you
do realise that?
Stroustrup: I doubt it. As I said, C++ is way past its peak now,
and no company in its right mind would start a C++ project
without a pilot trial. That should convince them that it's
the road to disaster. If not, they deserve all they get. You
know, I tried to convince Dennis Ritchie to rewrite Unix in
Interviewer: Oh my God. What did he say?
Stroustrup: Well, luckily, he has a good sense of humor. I think
both he and Brian figured out what I was doing, in the early
days, but never let on. He said he'd help me write a C++
version of DOS, if I was interested.
Interviewer: Were you?
Stroustrup: Actually, I did write DOS in C++, I'll give you a demo
when we're through. I have it running on a Sparc 20 in the
computer room. Goes like a rocket on 4 CPU's, and only takes
up 70 megs of disk.
Interviewer: What's it like on a PC?
Stroustrup: Now you're kidding. Haven't you ever seen Windows '95?
I think of that as my biggest success. Nearly blew the game
before I was ready, though.
Interviewer: You know, that idea of a Unix++ has really got me
thinking. Somewhere out there, there's a guy going to try it.
Stroustrup: Not after they read this interview.
Interviewer: I'm sorry, but I don't see us being able to publish
any of this.
Stroustrup: But it's the story of the century. I only want to be
remembered by my fellow programmers, for what I've done for
them. You know how much a C++ guy can get these days?
Interviewer: Last I heard, a really top guy is worth $70 - $80 an
Stroustrup: See? And I bet he earns it. Keeping track of all the
gotchas I put into C++ is no easy job. And, as I said
before, every C++ programmer feels bound by some mystic
promise to use every damn element of the language on every
project. Actually, that really annoys me sometimes, even
though it serves my original purpose. I almost like the
language after all this time.
Interviewer: You mean you didn't before?
Stroustrup: Hated it. It even looks clumsy, don't you agree? But
when the book royalties started to come in... well, you get
Interviewer: Just a minute. What about references? You must
admit, you improved on 'C' pointers.
Stroustrup: Hmm. I've always wondered about that. Originally, I
thought I had. Then, one day I was discussing this with a guy
who'd written C++ from the beginning. He said he could never
remember whether his variables were referenced or
dereferenced, so he always used pointers. He said the little
asterisk always reminded him.
Interviewer: Well, at this point, I usually say 'thank you very
much' but it hardly seems adequate.
Stroustrup: Promise me you'll publish this. My conscience is
getting the better of me these days.
Interviewer: I'll let you know, but I think I know what my editor
Stroustrup: Who'd believe it anyway? Although, can you send me a
copy of that tape?
Interviewer: I can do that.
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On the 1st of January, 1998, Bjarne Stroustrup allegedly gave an interview to the IEEE's
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