Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.std.c > #1739

Re: Description of "." operator

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.std.c
Subject Re: Description of "." operator
Date 2012-12-09 20:02 -0800
Organization None to speak of
Message-ID <lnvccamu68.fsf@nuthaus.mib.org> (permalink)
References <lntxrxnufa.fsf@nuthaus.mib.org> <lnpq2ko04x.fsf@nuthaus.mib.org> <50C5202E.3060604@loria.fr>

Show all headers | View raw


Jens Gustedt <jens.gustedt@loria.fr> writes:
> Am 08.12.2012 19:43, schrieb Keith Thompson:
>> Keith Thompson <kst-u@mib.org> writes:
>>> N1570 6.5.2.3p3 says:
>>>
>>>     A postfix expression followed by the . operator and an identifier
>>>     designates a member of a structure or union object. The value
>>>     is that of the named member, and is an lvalue if the first
>>>     expression is an lvalue.
>>>
>>> Consider the use of the word "object" in the first sentence.
>>>
>>> ...
>>>
>>> Shouldn't the phrase "a member of a structure or union object" be "a
>>> member of a structure or union *value*"?
>> 
>> Or, perhaps better, "a member of a structure or union *expression*".
>
> I'd go for:
>
> a member of an expression with structure or union type

I think both phrases mean the same thing, but I do like yours better.

> (In your example there would have been an object if your struct also
> would have included an array type)

Yes (as of C2011).

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
    Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

Back to comp.std.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

Description of "." operator Keith Thompson <kst-u@mib.org> - 2012-12-07 18:34 -0800
  Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2012-12-08 10:43 -0800
    Re: Description of "." operator Jens Gustedt <jens.gustedt@loria.fr> - 2012-12-10 00:35 +0100
      Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2012-12-09 20:02 -0800
  Re: Description of "." operator jgk@panix.com (Joe keane) - 2012-12-09 23:34 +0000
    Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2012-12-09 20:00 -0800
  Re: Description of "." operator Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-20 23:32 -0800
    Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2012-12-21 02:08 -0800
      Re: Description of "." operator Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-12-21 09:18 -0500
        Re: Description of "." operator Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-21 08:45 -0800
      Re: Description of "." operator Tim Rentsch <txr@alumni.caltech.edu> - 2012-12-21 08:37 -0800
  Re: Description of "." operator Shao Miller <sha0.miller@gmail.com> - 2013-01-06 01:23 -0500
    Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2013-01-05 23:51 -0800
      Re: Description of "." operator Shao Miller <sha0.miller@gmail.com> - 2013-01-06 13:49 -0500
        Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2013-01-06 22:12 -0800
          Re: Description of "." operator Shao Miller <sha0.miller@gmail.com> - 2013-01-17 23:19 -0500
            Re: Description of "." operator Shao Miller <sha0.miller@gmail.com> - 2013-01-18 20:47 -0500
              Re: Description of "." operator Keith Thompson <kst-u@mib.org> - 2013-01-18 20:14 -0800
              Re: Description of "." operator jgk@panix.com (Joe keane) - 2013-01-20 20:07 +0000
                Re: Description of "." operator Shao Miller <sha0.miller@gmail.com> - 2013-01-20 15:36 -0500

csiph-web