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Groups > comp.std.c > #359

Re: Types in C

From Shao Miller <sha0.miller@gmail.com>
Newsgroups comp.std.c, comp.lang.c
Subject Re: Types in C
Date 2011-05-30 17:45 -0500
Organization A noiseless patient Spider
Message-ID <is136f$pdt$1@dont-email.me> (permalink)
References <irbo6c$ul$1@speranza.aioe.org> <is0vfg$vqg$1@dont-email.me>

Cross-posted to 2 groups.

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On 5/30/2011 3:42 PM, Marcin Grzegorczyk wrote:
> jacob navia wrote:
>> [...]
>> A C type can be either a function type, an incomplete type or an object
>> type.
>
> Recently the Committee agreed with Clive Feather that completeness is a
> scoped property of object types (there are no incomplete function types,
> after all), and the latest C1X draft says the following under 6.2.5
> ("Types"):
>
> # Types are partitioned into object types (types that describe objects)
> # and function types (types that describe functions). At various points
> # within a translation unit an object type may be incomplete (lacking
> # sufficient information to determine the size of objects of that type)
> # or complete (having sufficient information).
>
> I, too, believe it is a clearer way of describing how the C type system
> works. (For Clive's rationale, see the WG14 document N1439).

Though I think the obsolescence under the N1494's 6.11.6p1 is 
intuitively akin to an "incomplete function type," though such a term is 
not defined in a standard sense, perhaps.

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Thread

Types in C jacob navia <jacob@spamsink.net> - 2011-05-22 21:29 +0200
  Re: Types in C Keith Thompson <kst-u@mib.org> - 2011-05-22 12:48 -0700
  Re: Types in C Marcin Grzegorczyk <mgrzegor@poczta.onet.pl> - 2011-05-30 22:42 +0200
    Re: Types in C Shao Miller <sha0.miller@gmail.com> - 2011-05-30 17:45 -0500
      Re: Types in C Keith Thompson <kst-u@mib.org> - 2011-05-31 08:47 -0700
        Re: Types in C Shao Miller <sha0.miller@gmail.com> - 2011-05-31 13:54 -0400
      Re: Types in C Tim Rentsch <txr@alumni.caltech.edu> - 2011-05-31 22:38 -0700
        Re: Types in C Shao Miller <sha0.miller@gmail.com> - 2011-06-01 07:22 -0500
          Re: Types in C Tim Rentsch <txr@alumni.caltech.edu> - 2011-06-01 12:13 -0700
    Re: Types in C jacob navia <jacob@spamsink.net> - 2011-05-31 00:16 +0200
      Re: Types in C Shao Miller <sha0.miller@gmail.com> - 2011-05-30 18:30 -0500
        Re: Types in C Tim Rentsch <txr@alumni.caltech.edu> - 2011-05-31 22:43 -0700
          Re: Types in C Shao Miller <sha0.miller@gmail.com> - 2011-06-01 07:41 -0500
            Re: Types in C Tim Rentsch <txr@alumni.caltech.edu> - 2011-06-01 12:23 -0700
      Re: Types in C Marcin Grzegorczyk <mgrzegor@poczta.onet.pl> - 2011-06-02 22:44 +0200
        Re: Types in C jacob navia <jacob@spamsink.net> - 2011-06-02 22:49 +0200
          Re: Types in C Keith Thompson <kst-u@mib.org> - 2011-06-02 15:26 -0700

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