Re: 1.0 / 0.0

From	Muttley@dastardlyhq.com
Newsgroups	comp.lang.c++
Subject	Re: 1.0 / 0.0
Date	2022-01-04 09:15 +0000
Organization	Aioe.org NNTP Server
Message-ID	<sr1370$1nj$1@gioia.aioe.org> (permalink)
References	(7 earlier) <squb43$2oi$1@redfloyd.dont-email.me> <squc3a$84h$1@dont-email.me> <squfd9$4mg$1@gioia.aioe.org> <sqv7dr$1d1$1@dont-email.me> <gyGAJ.134556$SR4.130385@fx43.iad>

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On Mon, 03 Jan 2022 17:40:28 GMT
scott@slp53.sl.home (Scott Lurndal) wrote:
>David Brown <david.brown@hesbynett.no> writes:
>>On 03/01/2022 10:24, Muttley@dastardlyhq.com wrote:
>
>>> Why on earth can't I just do:
>>> 
>>> struct myclass
>>> {
>>>    static int i = 123;
>>> };
>>> 
>>> in the same way that const members are initialised? I've never seen a good
>>> reason why it must be this way and it makes for messy header files.
>>> 
>>> 
>>
>>struct myclass
>>{
>>	inline static int i = 123;
>>};
>>
>>This has been valid since C++17, along with inline variables.  (Why do
>>you need "inline" here?  Good question, and I hope someone else can
>>give a good answer!)
>
>Probably for backward compatability.   Note that historically C++ was
>translated to C then compiled (e.g. cfront).   Trying to do the static
>initialization in the class definition would result in linker errors
>due to duplicate definitions of the static variable when the class
>definition is include by multiple compilation units.   Hence the requirement
>to declare it in a single compilation unit.

C++ hasn't been translated into C for 25 years at least. Keeping this syntatic 
quirk for so long rather demonstrates the C++ committee are more interested in 
adding shiny shiny "fun" stuff to the language that they find interesting 
rather than improving it for normal developers.

Thread

1.0 / 0.0 Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-29 20:00 +0100
  Re: 1.0 / 0.0 Jack Lemmon <invalid@invalid.net> - 2021-12-29 19:15 +0000
    Re: 1.0 / 0.0 Bonita Montero <Bonita.Montero@gmail.com> - 2021-12-29 21:20 +0100
  Re: 1.0 / 0.0 "james...@alumni.caltech.edu" <jameskuyper@alumni.caltech.edu> - 2021-12-29 13:08 -0800
    Re: 1.0 / 0.0 "daniel...@gmail.com" <danielaparker@gmail.com> - 2021-12-29 20:37 -0800
  Re: 1.0 / 0.0 Paavo Helde <eesnimi@osa.pri.ee> - 2021-12-30 17:25 +0200
    Re: 1.0 / 0.0 "daniel...@gmail.com" <danielaparker@gmail.com> - 2021-12-30 08:55 -0800
  Re: 1.0 / 0.0 Manfred <noname@add.invalid> - 2021-12-30 18:48 +0100
    Re: 1.0 / 0.0 "daniel...@gmail.com" <danielaparker@gmail.com> - 2021-12-30 10:16 -0800
      Re: 1.0 / 0.0 Manfred <noname@add.invalid> - 2021-12-30 20:02 +0100
        Re: 1.0 / 0.0 Muttley@dastardlyhq.com - 2021-12-31 10:25 +0000
          Re: 1.0 / 0.0 Manfred <noname@add.invalid> - 2021-12-31 18:34 +0100
            Re: 1.0 / 0.0 Juha Nieminen <nospam@thanks.invalid> - 2022-01-03 06:21 +0000
              Re: 1.0 / 0.0 red floyd <no.spam.here@its.invalid> - 2022-01-03 00:11 -0800
                Re: 1.0 / 0.0 "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2022-01-03 09:28 +0100
                Re: 1.0 / 0.0 Juha Nieminen <nospam@thanks.invalid> - 2022-01-03 08:36 +0000
                Re: 1.0 / 0.0 Muttley@dastardlyhq.com - 2022-01-03 09:24 +0000
                Re: 1.0 / 0.0 David Brown <david.brown@hesbynett.no> - 2022-01-03 17:14 +0100
                Re: 1.0 / 0.0 Muttley@dastardlyhq.com - 2022-01-03 16:22 +0000
                Re: 1.0 / 0.0 scott@slp53.sl.home (Scott Lurndal) - 2022-01-03 17:40 +0000
                Re: 1.0 / 0.0 Muttley@dastardlyhq.com - 2022-01-04 09:15 +0000
                Re: 1.0 / 0.0 scott@slp53.sl.home (Scott Lurndal) - 2022-01-04 15:24 +0000
                Re: 1.0 / 0.0 Muttley@dastardlyhq.com - 2022-01-04 16:06 +0000
                Re: 1.0 / 0.0 Juha Nieminen <nospam@thanks.invalid> - 2022-01-04 07:58 +0000
                Re: 1.0 / 0.0 Muttley@dastardlyhq.com - 2022-01-04 09:17 +0000
                Re: 1.0 / 0.0 Manfred <noname@add.invalid> - 2022-01-03 23:14 +0100
                Re: 1.0 / 0.0 Öö Tiib <ootiib@hot.ee> - 2022-01-03 23:50 -0800
                Re: 1.0 / 0.0 Manfred <noname@add.invalid> - 2022-01-04 10:42 +0100
                Re: 1.0 / 0.0 Öö Tiib <ootiib@hot.ee> - 2022-01-04 10:15 -0800
                Re: 1.0 / 0.0 Manfred <noname@invalid.add> - 2022-01-04 20:49 +0100
                Re: 1.0 / 0.0 Öö Tiib <ootiib@hot.ee> - 2022-01-04 15:40 -0800
                Re: 1.0 / 0.0 Juha Nieminen <nospam@thanks.invalid> - 2022-01-04 08:34 +0000
                Re: 1.0 / 0.0 Manfred <noname@add.invalid> - 2022-01-04 10:47 +0100
                Re: 1.0 / 0.0 Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-01-16 12:40 -0800

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