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Groups > comp.lang.c > #58779

Re: What is "complexifying" C?

From James Kuyper <jameskuyper@verizon.net>
Newsgroups comp.lang.c
Subject Re: What is "complexifying" C?
Date 2015-03-23 14:57 -0400
Organization Self
Message-ID <55106230.3010509@verizon.net> (permalink)
References (19 earlier) <resources-20150323125853@ram.dialup.fu-berlin.de> <mep54h$o9k$1@dont-email.me> <comma-20150323144606@ram.dialup.fu-berlin.de> <mep7ij$25b$1@dont-email.me> <cnb386F9hh9U4@mid.individual.net>

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On 03/23/2015 02:10 PM, Ian Collins wrote:
> James Kuyper wrote:
>> On 03/23/2015 09:46 AM, Stefan Ram wrote:
>>> James Kuyper <jameskuyper@verizon.net> writes:
>>>> "A pair of expressions separated by a comma is evaluated left-to-right;
>>> ...
>>>> (5.18p1, C++)
>>>
>>>    This refers to the comma operator, not to arguments
>>>    separated by a comma. The heading above the paragraph
>>>    quoted should make that clear.
>>>
>>>        �Except where noted, evaluations of operands of
>>>        individual operators and of subexpressions of
>>>        individual expressions are unsequenced.� - 1.9, C++
>>
>> Sorry - stupid mistake - I misread the code. When Ian quoted your code,
>> some of the whitespace disappeared, and my eyes got confused - they
>> skipped right over the line containing process_request, so I though it
>> was just a parenthesized comma expression (In my defense, I've seen
>> weirder constructs than that become a valid topic of conversation).
> 
> I didn't strip any whitespace, there wasn't much there to start with. 
> This is why I read the code as you did....

Yet another mistake - I misidentified the message in which the
whitespace disappeared (maybe it displayed differently on my home machine?)

From your message with "Date: 23 Mar 2015 04:39:49 GMT":
>>    For example,
>>
>> process_request
>> ( ::std::shared_ptr< request >( new request ),
>>    compute_duration() );
>>
>>    is a potential resource leak. (When »compute_duration«
>>    throws, the pointer »new request« possibly will be lost.)

From Stefan Ram's response, with Date: "23 Mar 2015 11:59:52 GMT":
>>>For example,
>>>process_request
>>>( ::std::shared_ptr< request >( new request ),
>>>compute_duration() );
>>>is a potential resource leak. (When »compute_duration«
>>>throws, the pointer »new request« possibly will be lost.)

It's entirely possible that this occurred without Stefan having any
control over it, in which cases it's entirely possible that it won't
display properly now.

> Which just goes to show clear code layout is one way to minimise bugs!

It's not the white space in the code itself, but the white space
separating the code from the message, that disappeared.

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Thread

What is "complexifying"  C? jacob navia <jacob@spamsink.net> - 2015-03-16 22:55 +0100
  Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-16 22:55 +0000
    Re: What is "complexifying"  C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-16 16:41 -0700
      Re: What is "complexifying"  C? Richard Heathfield <rjh@cpax.org.uk> - 2015-03-17 00:05 +0000
      Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-17 01:12 +0000
      Re: What is "complexifying"  C? Tim Rentsch <txr@alumni.caltech.edu> - 2015-03-25 13:58 -0700
    Re: What is "complexifying"  C? jacob navia <jacob@spamsink.net> - 2015-03-17 07:16 +0100
      Re: What is "complexifying"  C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-17 13:50 +0000
        Re: What is "complexifying"  C? jacob navia <jacob@spamsink.net> - 2015-03-17 14:59 +0100
          Re: What is "complexifying" C? jacob navia <jacob@spamsink.net> - 2015-03-17 15:22 +0100
            Re: What is "complexifying" C? David Brown <david.brown@hesbynett.no> - 2015-03-17 16:16 +0100
          Re: What is "complexifying"  C? Kaz Kylheku <kaz@kylheku.com> - 2015-03-17 14:39 +0000
          Re: What is "complexifying"  C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-17 15:23 +0000
        Re: What is "complexifying"  C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-18 15:40 -0700
        Re: What is "complexifying"  C? Kaz Kylheku <kaz@kylheku.com> - 2015-03-18 22:49 +0000
          Re: What is "complexifying"  C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-19 13:55 +0000
            Re: What is "complexifying" C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-19 15:37 +0000
              Re: What is "complexifying" C? jacob navia <jacob@jacob.remcomp.fr> - 2015-03-19 23:06 +0100
                Re: What is "complexifying" C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-19 22:38 +0000
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-20 19:43 +1300
                Re: What is "complexifying" C? jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 07:49 +0100
                Re: What is "complexifying" C? Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 02:29 -0500
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-20 21:37 +1300
                Re: What is "complexifying" C? Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 03:40 -0500
                Re: What is "complexifying" C? David Brown <david.brown@hesbynett.no> - 2015-03-20 10:18 +0100
                Re: What is "complexifying" C? Robert Wessel <robertwessel2@yahoo.com> - 2015-03-21 00:19 -0500
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-20 03:15 -0700
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-22 13:51 +1300
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-22 15:21 +1300
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-22 00:57 -0700
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-22 22:28 +1300
                Re: What is "complexifying" C? fir <profesor.fir@gmail.com> - 2015-03-22 02:59 -0700
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-22 11:16 -0700
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-23 07:25 +1300
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-22 12:06 -0700
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-23 17:01 +1300
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-23 03:09 -0700
                Re: What is "complexifying" C? fir <profesor.fir@gmail.com> - 2015-03-23 01:42 -0700
                Re: What is "complexifying" C? Melzzzzz <mel@zzzzz.com> - 2015-03-22 19:32 +0100
                Re: What is "complexifying" C? Robert Wessel <robertwessel2@yahoo.com> - 2015-03-22 17:34 -0500
                Re: What is "complexifying" C? Richard Damon <Richard@Damon-Family.org> - 2015-03-22 20:07 -0400
                Re: What is "complexifying" C? Robert Wessel <robertwessel2@yahoo.com> - 2015-03-23 00:00 -0500
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-23 18:04 +1300
                Re: What is "complexifying" C? Richard Damon <Richard@Damon-Family.org> - 2015-03-23 23:22 -0400
                Re: What is "complexifying" C? Richard Damon <Richard@Damon-Family.org> - 2015-03-22 14:54 -0400
                Re: What is "complexifying" C? Melzzzzz <mel@zzzzz.com> - 2015-03-23 00:35 +0100
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-23 17:06 +1300
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-23 17:25 +1300
                Re: What is "complexifying" C? Martin Shobe <martin.shobe@yahoo.com> - 2015-03-22 23:33 -0500
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-23 18:01 +1300
                Re: What is "complexifying" C? James Kuyper <jameskuyper@verizon.net> - 2015-03-23 09:41 -0400
                Re: What is "complexifying" C? James Kuyper <jameskuyper@verizon.net> - 2015-03-23 10:23 -0400
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-24 07:10 +1300
                Re: What is "complexifying" C? James Kuyper <jameskuyper@verizon.net> - 2015-03-23 14:57 -0400
                Re: What is "complexifying" C? David Brown <david.brown@hesbynett.no> - 2015-03-24 09:36 +0100
                Re: What is "complexifying" C? Richard Heathfield <rjh@cpax.org.uk> - 2015-03-24 08:42 +0000
                Re: What is "complexifying" C? David Brown <david.brown@hesbynett.no> - 2015-03-24 11:23 +0100
                Re: What is "complexifying" C? Richard Heathfield <rjh@cpax.org.uk> - 2015-03-24 10:52 +0000
                Re: What is "complexifying" C? raltbos@xs4all.nl (Richard Bos) - 2015-03-29 16:58 +0000
                Re: What is "complexifying" C? Melzzzzz <mel@zzzzz.com> - 2015-03-22 02:38 +0100
                Re: What is "complexifying" C? Richard Damon <Richard@Damon-Family.org> - 2015-03-22 09:11 -0400
                Re: What is "complexifying" C? Les Cargill <lcargill99@comcast.com> - 2015-03-20 06:30 -0500
                Re: What is "complexifying" C? Bartc <bc@freeuk.com> - 2015-03-20 10:31 +0000
                Re: What is "complexifying" C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-20 13:49 +0000
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-20 09:23 -0700
                Re: What is "complexifying" C? Ian Collins <ian-news@hotmail.com> - 2015-03-21 08:28 +1300
                Re: What is "complexifying" C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-20 01:04 -0700
    Re: What is "complexifying"  C? Keith Thompson <kst-u@mib.org> - 2015-03-17 08:05 -0700
      Re: What is "complexifying"  C? jacob navia <jacob@spamsink.net> - 2015-03-17 16:08 +0100
        Re: What is "complexifying"  C? Keith Thompson <kst-u@mib.org> - 2015-03-17 11:09 -0700
          Re: What is "complexifying"  C? jacob navia <jacob@spamsink.net> - 2015-03-17 21:37 +0100
            Re: What is "complexifying"  C? Robert Wessel <robertwessel2@yahoo.com> - 2015-03-18 00:40 -0500
      Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-17 15:34 +0000
    Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-17 15:06 +0000
  Re: What is "complexifying" C? Melzzzzz <mel@zzzzz.com> - 2015-03-17 00:05 +0100
  Re: What is "complexifying" C? Greg Martin <greg.at.softsprocket@dot.com> - 2015-03-16 23:20 +0000
  Re: What is "complexifying"  C? Ian Collins <ian-news@hotmail.com> - 2015-03-17 16:42 +1300
  Re: What is "complexifying"  C? Mark Storkamp <mstorkamp@yahoo.com> - 2015-03-17 08:59 -0500
    Re: What is "complexifying"  C? jacob navia <jacob@spamsink.net> - 2015-03-17 15:18 +0100
    Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-17 14:41 +0000
      Re: What is "complexifying"  C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-18 15:47 -0700
        Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-19 00:26 +0000
          Re: What is "complexifying"  C? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-03-19 03:23 -0700
            Re: What is "complexifying"  C? Bartc <bc@freeuk.com> - 2015-03-19 11:19 +0000

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