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Re: That's while I love C++ over C

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c++
Subject Re: That's while I love C++ over C
Date 2021-11-06 11:08 +0000
Organization A noiseless patient Spider
Message-ID <87cznda6ej.fsf@bsb.me.uk> (permalink)
References (4 earlier) <sm4eeq$97q$1@redfloyd.dont-email.me> <sm4fpi$hk3$1@dont-email.me> <f6d1797e-35f4-4f84-901d-011e2335c77dn@googlegroups.com> <874k8qaual.fsf@bsb.me.uk> <sm4s6u$jog$1@redfloyd.dont-email.me>

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red floyd <no.spam.here@its.invalid> writes:

> On 11/5/2021 7:32 PM, Ben Bacarisse wrote:
>> Tony Oliver <guinness.tony@gmail.com> writes:
>> 
>>> On Friday, 5 November 2021 at 23:47:14 UTC, Bart wrote:
>>>> On 05/11/2021 23:24, red floyd wrote:
>>>>> On 11/5/2021 3:25 PM, Lynn McGuire wrote:
>>>>>> On 11/5/2021 4:59 PM, Vir Campestris wrote:
>>>>
>>>>> [insanely ugly, unreadable, and unmaintainable code fragments redacted]
>>>> You're having a laugh I think.
>>>>
>>>> My code fragments,
>>>
>>> which are [insanely ugly, unreadable, and unmaintainable code fragments]
>>> are not welcome in clc++.
>> I find the "fire them" remarks very odd.  Quite apart from the fact that
>> I'd hope everyone enjoys better employment protection than that, what's
>> so bad about conditionally choosing an assignment target compared to
>> conditionally choosing an assigned value?  Or is any use of a conditional
>> operator a sacking offence?
>
> No, use of the conditional operator is not a sacking offense.  Even when
> used as an lvalue.  However, as I said above, I'd insist on training for
> the person.  That is highly unmaintainable code.
>
> If I had to use something like that,  It would be:
>
> int *pInt = (x == y ? &a : &b);
> *pInt = c;
>
> But I'd really prefer
>
> if (x == y)
>    a = c;
> else
>    b = c;
>
> You've just inherited some code.  Which would you prefer to maintain?

The shorter and clearer

  (x == y ? a : b) = c;

I can see at a glance that the same thing is always assigned (no need to
check two places though when it's just 'c' that's not hard), and I can
see instantly that what is determined by the test is the destination.

-- 
Ben.

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Thread

That's while I love C++ over C Bonita Montero <Bonita.Montero@gmail.com> - 2021-11-03 20:39 +0100
  Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-03 20:28 +0000
    Re: That's while I love C++ over C Vir Campestris <vir.campestris@invalid.invalid> - 2021-11-05 21:59 +0000
      Re: That's while I love C++ over C Lynn McGuire <lynnmcguire5@gmail.com> - 2021-11-05 17:25 -0500
        Re: That's while I love C++ over C red floyd <no.spam.here@its.invalid> - 2021-11-05 16:24 -0700
          Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-05 23:46 +0000
            Re: That's while I love C++ over C Tony Oliver <guinness.tony@gmail.com> - 2021-11-05 17:48 -0700
              Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-06 01:40 +0000
              Re: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-06 02:32 +0000
                Re: That's while I love C++ over C red floyd <no.spam.here@its.invalid> - 2021-11-05 20:18 -0700
                Re: That's while I love C++ over C "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-11-06 04:48 +0100
                Re: That's while I love C++ over C James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-11-06 00:34 -0400
                Re: That's while I love C++ over C Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-11-05 22:48 -0700
                Re: That's while I love C++ over C red floyd <no.spam.here@its.invalid> - 2021-11-05 22:26 -0700
                Re: That's while I love C++ over C Bonita Montero <Bonita.Montero@gmail.com> - 2021-11-06 07:37 +0100
                Re: That's while I love C++ over C Bonita Montero <Bonita.Montero@gmail.com> - 2021-11-06 07:36 +0100
                Re: That's while I love C++ over C Ike Naar <ike@sdf.org> - 2021-11-06 06:59 +0000
                Re: That's while I love C++ over C David Brown <david.brown@hesbynett.no> - 2021-11-06 11:12 +0100
                Re: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-06 11:08 +0000
                Re: That's while I love C++ over C Bonita Montero <Bonita.Montero@gmail.com> - 2021-11-06 15:03 +0100
                Re: That's while I love C++ over C Manfred <noname@add.invalid> - 2021-11-06 19:12 +0100
                Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-06 18:57 +0000
                Re: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-06 20:50 +0000
                Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-06 11:44 +0000
                Re: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-06 13:18 +0000
            Re: That's while I love C++ over C David Brown <david.brown@hesbynett.no> - 2021-11-06 10:58 +0100
              Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-06 12:00 +0000
                Re: That's while I love C++ over C Öö Tiib <ootiib@hot.ee> - 2021-11-06 07:04 -0700
                Re: That's while I love C++ over C David Brown <david.brown@hesbynett.no> - 2021-11-06 15:50 +0100
            Re: That's while I love C++ over C scott@slp53.sl.home (Scott Lurndal) - 2021-11-06 14:43 +0000
              [OT] Algol68 Was: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-06 17:13 +0000
                Re: [OT] Algol68 Was: That's while I love C++ over C scott@slp53.sl.home (Scott Lurndal) - 2021-11-06 20:16 +0000
                Re: [OT] Algol68 Was: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-06 20:25 +0000
          Re: That's while I love C++ over C "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-11-05 21:59 -0700
            Re: That's while I love C++ over C "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-11-05 22:23 -0700
              Re: That's while I love C++ over C red floyd <no.spam.here@its.invalid> - 2021-11-05 22:27 -0700
                Re: That's while I love C++ over C red floyd <no.spam.here@its.invalid> - 2021-11-05 22:28 -0700
                Re: That's while I love C++ over C "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-11-05 22:46 -0700
                Re: That's while I love C++ over C Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-11-05 22:46 -0700
                Re: That's while I love C++ over C David Brown <david.brown@hesbynett.no> - 2021-11-06 12:25 +0100
                Re: That's while I love C++ over C Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-11-06 13:27 -0700
                Re: That's while I love C++ over C Manfred <noname@add.invalid> - 2021-11-07 00:38 +0100
                Re: That's while I love C++ over C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-11-07 00:33 +0000
                Re: That's while I love C++ over C David Brown <david.brown@hesbynett.no> - 2021-11-07 15:10 +0100
                Re: That's while I love C++ over C James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-11-08 01:47 -0500
      Re: That's while I love C++ over C Bart <bc@freeuk.com> - 2021-11-05 23:35 +0000
      Re: That's while I love C++ over C Bonita Montero <Bonita.Montero@gmail.com> - 2021-11-06 07:33 +0100

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