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Re: Linked lists, message passing

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Richard Heathfield wrote:
> On 19/06/15 09:14, Noob wrote:
>> On 19/06/2015 09:59, Richard Heathfield wrote:
>>
>>> T *t_create(void)
>>> {
>>>     static const T template = {0};
>>>     T *new = malloc(sizeof *new);
>>>     if(new != NULL)
>>>     {
>>>       *new = template;
>>>     }
>>>     return new;
>>> }
>>
>> I suggest you throw a variable named 'class' in the mix ;-)
>
> Right. :-)
>
> The choice of 'template' was in fact accidental. It was the obvious word
> to use (especially since the {0} could be modified to incorporate actual
> default values (and 'default' is a keyword, so obviously I couldn't use
> that), and it was only on re-reading when composing this reply that I
> noticed that it is in fact a keyword in Another Language.
>
> But the choice of 'new' was entirely deliberate, and yes, it is
> specifically to prevent the code from being compiled under C++. If I
> want to use the code in C++, that's fine, but as a linked-in C module,
> not as C++. The purpose is to minimise any problems stemming from subtle
> differences in the semantics of the two languages (a situation that can
> only get worse as they both slowly evolve away from each other).

One of the less than subtle differences (assigning a void* to a T*) 
would have prevented it from compiling without the gratuitous use of 
keywords :)

-- 
Ian Collins

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Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-06-19 05:49 +0200
  Re: Linked lists, message passing Ike Naar <ike@iceland.freeshell.org> - 2015-06-19 06:51 +0000
    Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-06-19 09:08 +0200
      Re: Linked lists, message passing Barry Schwarz <schwarzb@dqel.com> - 2015-06-19 02:08 -0700
        Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-06-19 14:11 +0200
          Re: Linked lists, message passing raltbos@xs4all.nl (Richard Bos) - 2015-06-19 13:47 +0000
            Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-06-19 15:52 +0200
              Re: Linked lists, message passing Robert Wessel <robertwessel2@yahoo.com> - 2015-06-19 22:07 -0500
              Re: Linked lists, message passing raltbos@xs4all.nl (Richard Bos) - 2015-06-27 12:25 +0000
                Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-06-29 09:03 +0200
                Re: Linked lists, message passing raltbos@xs4all.nl (Richard Bos) - 2015-07-03 17:28 +0000
                Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-07-03 22:16 +0200
                Re: Linked lists, message passing Morris Dovey <mrdovey@iedu.com> - 2015-07-03 16:44 -0500
                Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-07-04 01:12 +0200
                Re: Linked lists, message passing Morris Dovey <mrdovey@iedu.com> - 2015-07-03 18:50 -0500
                Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-07-04 09:39 +0200
                Re: Linked lists, message passing Morris Dovey <mrdovey@iedu.com> - 2015-07-04 04:34 -0500
                Re: Linked lists, message passing Bartc <bc@freeuk.com> - 2015-07-04 11:01 +0100
                Re: Linked lists, message passing Geoff <geoff@invalid.invalid> - 2015-07-04 11:43 -0700
                Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-07-05 18:49 +0200
                Re: Linked lists, message passing Geoff <geoff@invalid.invalid> - 2015-07-05 12:30 -0700
                Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-07-05 22:39 +0200
                Re: Linked lists, message passing Geoff <geoff@invalid.invalid> - 2015-07-05 15:08 -0700
                Re: Linked lists, message passing glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-07-06 01:05 +0000
                Re: Linked lists, message passing Geoff <geoff@invalid.invalid> - 2015-07-05 23:55 -0700
                Re: Linked lists, message passing "Chris M. Thomasson" <nospam@nospam.nospam> - 2015-07-04 11:48 -0700
                Re: Linked lists, message passing Morris Dovey <mrdovey@iedu.com> - 2015-07-03 18:51 -0500
                Re: Linked lists, message passing G G <gdotone@gmail.com> - 2015-07-03 18:13 -0700
  Re: Linked lists, message passing Richard Heathfield <rjh@cpax.org.uk> - 2015-06-19 08:12 +0100
    Re: Linked lists, message passing "Morten W. Petersen" <morphex@gmail.com> - 2015-06-19 09:30 +0200
      Re: Linked lists, message passing Richard Heathfield <rjh@cpax.org.uk> - 2015-06-19 08:59 +0100
        Re: Linked lists, message passing Noob <root@127.0.0.1> - 2015-06-19 10:14 +0200
          Re: Linked lists, message passing Richard Heathfield <rjh@cpax.org.uk> - 2015-06-19 09:40 +0100
            Re: Linked lists, message passing Ian Collins <ian-news@hotmail.com> - 2015-06-20 15:14 +1200
    Re: Linked lists, message passing jacobnavia <jacob@jacob.remcomp.fr> - 2015-06-19 18:10 +0200
      Re: Linked lists, message passing Richard Heathfield <rjh@cpax.org.uk> - 2015-06-19 17:32 +0100
        Re: Linked lists, message passing Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-06-29 00:56 -0700
      Re: Linked lists, message passing Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-06-29 00:49 -0700
    Re: Linked lists, message passing Tim Rentsch <txr@alumni.caltech.edu> - 2015-07-11 08:32 -0700

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