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Re: Shorthand ~> pointers

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c
Subject Re: Shorthand ~> pointers
Date 2018-12-20 15:03 +0000
Organization A noiseless patient Spider
Message-ID <87sgysnsus.fsf@bsb.me.uk> (permalink)
References <pveuu6$b8l$1@dont-email.me> <slrn3m64q1mrd6.lf2.andrews@sdf.lonestar.org> <87ftuspg9s.fsf@bsb.me.uk> <SENSD.274485$GZ9.164311@fx45.iad>

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scott@slp53.sl.home (Scott Lurndal) writes:

> Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
>>Andrew Smallshaw <andrews@sdf.org> writes:
>>
>>> On 2018-12-20, Rick C. Hodgin <rick.c.hodgin@gmail.com> wrote:
>>>> I've had the idea to introduce the ~> symbol for shorthand pointers.
>>>
>>>> It would only work for uniquely named members, but could also be
>>>> used from a relative point where, from that point down the rest
>>>> of the hierarchy it is then unique.
>>>
>>> What an absolutely horrid idea.  So adding a new variable to a
>>> structure causes well-written code to break when it was fine before?
>>
>>Break, in the sense of issue a diagnostic, yes, but I don't think it can
>>break in the sense of suddenly and silently meaning something else
>>because of the uniqueness requirement.
>
> Changing the language definition in such a way as to cause
> existing code to not compile is by definition "breaking" it.

I don't follow.  Is there are any existing correct code with that symbol
in it?  (There may be some obscure macro trick, but I can't think of one
off hand.)

-- 
Ben.

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Thread

Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-19 21:31 -0500
  Re: Shorthand ~> pointers bitrex <user@example.net> - 2018-12-20 03:29 -0500
    Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 06:40 -0500
  Re: Shorthand ~> pointers Andrew Smallshaw <andrews@sdf.org> - 2018-12-20 10:23 +0000
    Re: Shorthand ~> pointers Bart <bc@freeuk.com> - 2018-12-20 11:15 +0000
      Re: Shorthand ~> pointers David Brown <david.brown@hesbynett.no> - 2018-12-20 13:46 +0100
        Re: Shorthand ~> pointers mark.bluemel@gmail.com - 2018-12-20 05:04 -0800
          Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 05:11 -0800
    Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 03:25 -0800
    Re: Shorthand ~> pointers Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-12-20 11:51 +0000
      Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 06:54 -0500
        Re: Shorthand ~> pointers Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-12-20 12:17 +0000
          Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 07:21 -0500
            Re: Shorthand ~> pointers Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-12-20 14:18 +0000
              Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 09:26 -0500
          Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 04:29 -0800
            Re: Shorthand ~> pointers mark.bluemel@gmail.com - 2018-12-20 04:46 -0800
            Re: Shorthand ~> pointers David Brown <david.brown@hesbynett.no> - 2018-12-20 15:00 +0100
      Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-20 14:26 +0000
        Re: Shorthand ~> pointers Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-12-20 15:03 +0000
        Re: Shorthand ~> pointers James Kuyper <jameskuyper@alumni.caltech.edu> - 2018-12-20 07:05 -0800
  Re: Shorthand ~> pointers "Fred.Zwarts" <F.Zwarts@KVI.nl> - 2018-12-20 11:16 +0100
    Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 07:16 -0500
  Re: Shorthand ~> pointers Bart <bc@freeuk.com> - 2018-12-20 12:39 +0000
    Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 08:20 -0500
      Re: Shorthand ~> pointers Bart <bc@freeuk.com> - 2018-12-20 14:02 +0000
        Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-20 09:15 -0500
          Re: Shorthand ~> pointers Bart <bc@freeuk.com> - 2018-12-20 17:48 +0000
    Re: Shorthand ~> pointers Juha Nieminen <nospam@thanks.invalid> - 2018-12-21 11:36 +0000
      Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 08:05 -0500
        Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 14:56 +0000
          Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 10:03 -0500
            Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 15:35 +0000
              Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 10:41 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-21 15:41 +0000
                Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 17:04 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 12:23 -0500
        Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 14:57 +0000
          Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 10:20 -0500
            Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 15:37 +0000
              Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 10:42 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-21 15:42 +0000
                Re: Shorthand ~> pointers David Brown <david.brown@hesbynett.no> - 2018-12-21 17:39 +0100
                Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 17:05 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 12:24 -0500
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-21 23:49 -0800
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-22 13:05 -0500
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-22 16:38 -0800
        Re: Shorthand ~> pointers Juha Nieminen <nospam@thanks.invalid> - 2018-12-22 18:39 +0000
          Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-22 13:42 -0500
            Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-22 16:23 -0800
              Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-22 21:52 -0500
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-22 20:26 -0800
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-22 23:54 -0500
                Re: Shorthand ~> pointers Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-12-23 12:43 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 08:34 -0500
                Re: Shorthand ~> pointers James Kuyper <jameskuyper@alumni.caltech.edu> - 2018-12-23 08:09 -0800
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 11:56 -0500
            Re: Shorthand ~> pointers Juha Nieminen <nospam@thanks.invalid> - 2018-12-23 08:24 +0000
              Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 08:24 -0500
                Re: Shorthand ~> pointers Bart <bc@freeuk.com> - 2018-12-23 15:28 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 12:15 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-23 17:24 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 12:35 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-23 17:39 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 14:07 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-23 19:17 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 14:52 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-23 21:14 +0000
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-23 21:36 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 19:24 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-24 10:14 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 07:53 -0500
                Re: Shorthand ~> pointers gazelle@shell.xmission.com (Kenny McCormack) - 2018-12-24 14:16 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 10:17 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-24 15:36 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 10:43 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-24 15:46 +0000
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-24 14:16 -0800
                Re: Shorthand ~> pointers Melzzzzz <Melzzzzz@zzzzz.com> - 2018-12-24 22:36 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 18:35 -0500
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-24 15:44 -0800
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 18:55 -0500
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-25 22:20 -0800
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-26 05:32 -0500
                You are so full of shit (Was: Shorthand ~> pointers) gazelle@shell.xmission.com (Kenny McCormack) - 2018-12-26 14:10 +0000
                Re: You are so full of .. (Was: Shorthand ~> pointers) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-26 09:47 -0500
                Re: You are so full of shit (Was: Shorthand ~> pointers) gazelle@shell.xmission.com (Kenny McCormack) - 2018-12-26 15:21 +0000
                Re: Shorthand ~> pointers Ian Collins <ian-news@hotmail.com> - 2018-12-24 08:26 +1300
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 15:02 -0500
                Re: Shorthand ~> pointers Tim Rentsch <txr@alumni.caltech.edu> - 2018-12-28 08:21 -0800
                Re: Shorthand ~> pointers nobody@example.org (Scott) - 2018-12-25 03:56 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 23:55 -0500
                Re: Shorthand ~> pointers Richard Damon <Richard@Damon-Family.org> - 2018-12-25 10:14 -0500
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-25 10:36 -0500
                Re: Shorthand ~> pointers Juha Nieminen <nospam@thanks.invalid> - 2018-12-24 14:22 +0000
                Re: Shorthand ~> pointers "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-24 15:47 -0800
            Re: Shorthand ~> pointers Reinhardt Behm <rbehm@hushmail.com> - 2018-12-23 16:31 +0800
              Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 08:28 -0500
  Re: Shorthand ~> pointers nobody@example.org (Scott) - 2018-12-21 01:14 +0000
    Re: Shorthand ~> pointers "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2018-12-21 03:23 +0100
      Re: Shorthand ~> pointers nobody@example.org (Scott) - 2018-12-21 09:45 +0000
        Re: Shorthand ~> pointers David Brown <david.brown@hesbynett.no> - 2018-12-21 12:05 +0100
        Re: Shorthand ~> pointers Vir Campestris <vir.campestris@invalid.invalid> - 2018-12-21 21:24 +0000
          Re: Shorthand ~> pointers scott@slp53.sl.home (Scott Lurndal) - 2018-12-21 21:47 +0000
          Re: Shorthand ~> pointers David Brown <david.brown@hesbynett.no> - 2018-12-22 16:09 +0100
            Re: Shorthand ~> pointers Richard Damon <Richard@Damon-Family.org> - 2018-12-22 11:49 -0500
              Re: Shorthand ~> pointers Bart <bc@freeuk.com> - 2018-12-22 18:41 +0000
                Re: Shorthand ~> pointers Anton Shepelev <anton.txt@gmail.com> - 2018-12-22 21:48 +0300
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-22 14:00 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-22 19:08 +0000
                Re: Shorthand ~> pointers fir <profesor.fir@gmail.com> - 2018-12-22 16:42 -0800
                Re: Shorthand ~> pointers Richard Damon <Richard@Damon-Family.org> - 2018-12-22 17:10 -0500
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-22 17:42 -0500
                Re: Shorthand ~> pointers Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2018-12-23 10:19 +0000
                Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-23 08:40 -0500
              Re: Shorthand ~> pointers Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-12-25 21:00 +0000
    Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-21 07:57 -0500
  Re: Shorthand ~> pointers Bonita Montero <Bonita.Montero@gmail.com> - 2018-12-24 14:38 +0100
    Re: Shorthand ~> pointers "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-12-24 10:26 -0500
      Re: Shorthand ~> pointers Bonita Montero <Bonita.Montero@gmail.com> - 2018-12-28 13:35 +0100

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