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Groups > comp.lang.c > #136109

Re: >< swap operator

From "Rick C. Hodgin" <rick.c.hodgin@gmail.com>
Newsgroups comp.lang.c
Subject Re: >< swap operator
Date 2018-10-03 09:51 -0400
Organization Liberty Software Foundation
Message-ID <pp2hgl$am0$1@dont-email.me> (permalink)
References (18 earlier) <pp0n82$pqp$1@dont-email.me> <pp21uh$74d$1@dont-email.me> <Pj0tD.708297$iK2.144389@fx08.am4> <c298af63-a610-4bc1-9784-f6cb89c3f7a2@googlegroups.com> <tC3tD.503677$T%2.126282@fx06.am4>

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On 10/3/2018 9:37 AM, Bart wrote:
> So when would you use ?#(b) or b>:c?

I forgot they existed. :-)

> Why /wouldn't/ you combine them when they occur in the same expression?
> And where did 'min' suddenly come from?
> 
> I thought you didn't have min at all except as a suggestion, for those do 
> didn't like >:, to use #define min(a,b) ...

I don't remember that.  It's possible, but it's not coming
back to me just now.

> With my example (which doesn't actually mean anything, but would be legal 
> using your proposals), that would more typically be written as:
> 
>       a><f() ? ?#(b) : b >: c

If I were to do as you suggest here, I would write it as:

     ((a >< f()) ? (?#(b)) : (b >: c))

It would break out each section, and indicate it clearly.
However, the reason why you'd use ?#(x) is when you have a
space issue, like on a long for ( ; ; ) line.  If you don't
have the space constraint, then there's no reason not to use
the sizeof(x).

> The first part using swap or ><, is being used in a way you proposed where 
> you update a variable while returning its old variable. For that reason, it 
> needs to part of the expression. Other you don't need >< at all:
> 
>      t = a;
>      a = f();
>      t ? ?#(b) : b >: c

I don't think so.  >< returned the left-side value.  ><=
returned the right-side value.

> (Phew, that's still quite a mix of shifted/unshifted punctuation in that 
> final line. C seriously needs even more punctuation....)

I would never write code like that even though it could be
written like that.

The goal of having these new features is they are another tool
in the tool box, but as I've used as a common reference for
describing when to use which tool, it's possible to rebuild an
engine using end-wrenches and crescent wrenches.  But, it's
not advisable.  It's better to have more specialized tools
like 6-point sockets, torque wrenches, breaker bars, etc.

The same is true for coding, Bart.  You don't write code the
way you can just because you can.  You write what makes sense,
is easy to read, easy to maintain, is clear, etc.  I would
never actually write this either:

     ((a >< f()) ? (?#(b)) : (b >: c))

I would probably write it thusly:

     t      = a >< f();
     size   = ?#(b);
     maxVal = (b >: c);

     ((t) ? size : maxVal)

Or, I would write this:

     // Based on a, store sizeof(b) or use max of b,c
     ((a >< f()) ? (?#(b)) : (b >: c))

It would depend on the situation, and what other code nearby
is doing.  If I've already added a comment up above explaining
how these things work, then I wouldn't add additional comments.
If it is part of a known sequence of operations, then I wouldn't
add an additional comment, etc.

It's all situational, Bart.  Fluid.  Flexible.  You have to have
a type of philosophy of understanding to know what to use where,
and why you're doing it is intuitive, not rigorously mechanical.

-- 
Rick C. Hodgin

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Thread

>< swap operator skybuck2000@hotmail.com - 2018-08-13 12:53 -0700
  Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-08-13 16:05 -0400
  Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-13 13:46 -0700
    Re: >< swap operator Anton Shepelev <anton.txt@g{oogle}mail.com> - 2018-08-14 11:19 +0300
    Re: >< swap operator skybuck2000@hotmail.com - 2018-08-14 06:16 -0700
      Re: >< swap operator bart4858@gmail.com - 2018-08-14 07:50 -0700
        Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-08-14 16:59 +0200
          Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-08-14 10:46 -0700
            Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-08-14 20:03 +0200
              Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-08-14 11:37 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-08-14 21:16 +0200
          Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-14 11:32 -0700
          Re: >< swap operator bart4858@gmail.com - 2018-08-14 16:24 -0700
            Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-08-15 11:32 +0200
        Re: >< swap operator skybuck2000@hotmail.com - 2018-10-01 07:46 -0700
          Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 05:20 -0700
            Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 13:58 +0100
              Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 14:08 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 09:16 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-02 15:35 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 09:43 -0400
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 10:51 -0700
              Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 09:08 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 15:26 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 10:52 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 17:57 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 13:27 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 11:52 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 20:48 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 15:56 -0400
                Re: >< swap operator Thiago Adams <thiago.adams@gmail.com> - 2018-10-02 13:05 -0700
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 13:26 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 21:36 +0100
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 13:47 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 11:14 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 16:37 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 22:02 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 17:16 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 11:25 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-03 10:52 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 14:29 +0200
                Re: >< swap operator Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-03 05:52 -0700
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-03 21:31 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 16:47 -0400
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-04 03:43 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 22:47 -0400
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-04 04:25 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 20:44 -0700
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-04 11:53 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-04 05:15 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-04 13:48 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-04 10:56 -0400
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-04 17:47 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-04 11:01 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-04 22:15 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-04 16:19 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-04 21:42 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-04 15:01 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-04 23:59 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 09:54 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 18:03 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 21:08 +0200
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-05 20:31 +0100
                Re: >< swap operator Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2018-10-05 15:59 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 21:18 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-06 03:51 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-06 12:19 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-06 19:49 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-07 12:25 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-07 14:19 +0100
                Re: >< swap operator Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-07 06:56 -0700
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-07 16:30 +0100
                Re: >< swap operator Wouter Verhelst <w@uter.be> - 2018-10-09 13:17 +0200
                C idioms (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-09 13:07 +0000
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-09 14:27 +0100
                Re: C idioms Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-10 00:05 +0100
                Re: C idioms Bart <bc@freeuk.com> - 2018-10-10 02:03 +0100
                Re: C idioms Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-11 01:05 +0100
                Re: C idioms Bart <bc@freeuk.com> - 2018-10-11 02:09 +0100
                Re: C idioms Bart <bc@freeuk.com> - 2018-10-11 12:39 +0100
                Re: C idioms Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-11 16:24 +0100
                Re: C idioms scott@slp53.sl.home (Scott Lurndal) - 2018-10-11 15:55 +0000
                Re: C idioms Keith Thompson <kst-u@mib.org> - 2018-10-11 09:42 -0700
                Re: C idioms Wouter Verhelst <w@uter.be> - 2018-10-11 19:23 +0200
                Re: C idioms jameskuyper@alumni.caltech.edu - 2018-10-11 11:11 -0700
                Re: C idioms Keith Thompson <kst-u@mib.org> - 2018-10-11 12:05 -0700
                Re: C idioms Bart <bc@freeuk.com> - 2018-10-11 17:53 +0100
                Re: C idioms Keith Thompson <kst-u@mib.org> - 2018-10-11 10:38 -0700
                Re: C idioms Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-12 00:14 +0100
                Re: C idioms Bart <bc@freeuk.com> - 2018-10-11 19:26 +0100
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-09 16:38 +0200
                Re: C idioms (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-09 15:23 +0000
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-09 20:31 +0200
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-09 20:18 +0100
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-09 22:11 +0200
                Re: C idioms (Was: >< swap operator) scott@slp53.sl.home (Scott Lurndal) - 2018-10-09 20:50 +0000
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-09 22:58 +0200
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-09 22:34 +0100
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-10 08:10 +0200
                Re: C idioms (Was: >< swap operator) jameskuyper@alumni.caltech.edu - 2018-10-09 14:45 -0700
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-10 08:07 +0200
                Hmmm... (Was: C idioms (Was: >< swap operator)) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 07:56 +0000
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) David Brown <david.brown@hesbynett.no> - 2018-10-10 10:32 +0200
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) Ike Naar <ike@iceland.freeshell.org> - 2018-10-10 13:44 +0000
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 14:52 +0000
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) Wouter Verhelst <w@uter.be> - 2018-10-10 17:47 +0200
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) David Brown <david.brown@hesbynett.no> - 2018-10-10 17:18 +0200
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 15:22 +0000
                Re: Hmmm... (Was: C idioms (Was: >< swap operator)) David Brown <david.brown@hesbynett.no> - 2018-10-10 23:58 +0200
                Re: Hmmm... Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-10-10 07:51 -0600
                Re: Hmmm... gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 14:53 +0000
                Re: Hmmm... David Brown <david.brown@hesbynett.no> - 2018-10-10 17:21 +0200
                Re: C idioms (Was: >< swap operator) scott@slp53.sl.home (Scott Lurndal) - 2018-10-10 12:57 +0000
                Re: C idioms (Was: >< swap operator) James Kuyper <jameskuyper@alumni.caltech.edu> - 2018-10-10 12:29 -0400
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-11 00:07 +0200
                Re: C idioms (Was: >< swap operator) Keith Thompson <kst-u@mib.org> - 2018-10-09 14:50 -0700
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-10 08:13 +0200
                Re: C idioms (Was: >< swap operator) scott@slp53.sl.home (Scott Lurndal) - 2018-10-10 12:56 +0000
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-10 15:55 +0200
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-10 15:17 +0100
                Re: C idioms (Was: >< swap operator) scott@slp53.sl.home (Scott Lurndal) - 2018-10-10 14:49 +0000
                Fall-through in switch statements... (Was: C idioms (Was: >< swap operator)) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 14:59 +0000
                Re: Fall-through in switch statements... (Was: C idioms (Was: >< swap operator)) Bart <bc@freeuk.com> - 2018-10-10 16:09 +0100
                Re: Fall-through in switch statements... (Was: C idioms (Was: >< swap operator)) nobody@example.org (Scott) - 2018-10-10 17:29 +0000
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-10 16:01 +0100
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-10 17:29 +0200
                Re: C idioms (Was: >< swap operator) Wouter Verhelst <w@uter.be> - 2018-10-10 17:55 +0200
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-10 17:11 +0100
                Re: C idioms Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-10 23:15 +0100
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-11 00:16 +0200
                Re: C idioms (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-10 23:23 +0100
                Re: C idioms (Was: >< swap operator) Keith Thompson <kst-u@mib.org> - 2018-10-10 16:31 -0700
                Re: C idioms (Was: >< swap operator) Keith Thompson <kst-u@mib.org> - 2018-10-10 15:32 -0700
                Re: C idioms (Was: >< swap operator) Keith Thompson <kst-u@mib.org> - 2018-10-10 16:24 -0700
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-11 10:52 +0200
                Re: C idioms Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-10-10 09:59 -0600
                Re: C idioms (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-10 17:26 +0200
                Re: C idioms (Was: >< swap operator) scott@slp53.sl.home (Scott Lurndal) - 2018-10-10 14:48 +0000
                Return values of fork() (Was: C idioms (Was: >< swap operator)) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 14:51 +0000
                Re: Return values of fork() (Was: C idioms (Was: >< swap operator)) scott@slp53.sl.home (Scott Lurndal) - 2018-10-10 15:20 +0000
                You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-10 15:28 +0000
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) David Brown <david.brown@hesbynett.no> - 2018-10-11 00:23 +0200
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) scott@slp53.sl.home (Scott Lurndal) - 2018-10-11 13:22 +0000
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) David Brown <david.brown@hesbynett.no> - 2018-10-11 15:58 +0200
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) scott@slp53.sl.home (Scott Lurndal) - 2018-10-11 14:17 +0000
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) David Brown <david.brown@hesbynett.no> - 2018-10-11 16:42 +0200
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) Wouter Verhelst <w@uter.be> - 2018-10-11 16:53 +0200
                Re: You know that and I know that, but ... (Was: Return values of fork() (Was: C idioms (Was: >< swap operator))) David Brown <david.brown@hesbynett.no> - 2018-10-11 20:11 +0200
                Re: Return values of fork() (Was: C idioms (Was: >< swap operator)) David Brown <david.brown@hesbynett.no> - 2018-10-11 00:20 +0200
                Re: Return values of fork() (Was: C idioms (Was: >< swap operator)) Keith Thompson <kst-u@mib.org> - 2018-10-10 16:15 -0700
                Re: Return values of fork() Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-10-11 14:42 -0600
                Re: C idioms Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-10-09 16:18 -0600
                Re: C idioms gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-09 22:28 +0000
                Re: C idioms scott@slp53.sl.home (Scott Lurndal) - 2018-10-10 12:58 +0000
                Re: C idioms (Was: >< swap operator) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-09 07:48 -0700
                Re: C idioms Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-09 16:42 +0100
                Re: C idioms (Was: >< swap operator) Wouter Verhelst <w@uter.be> - 2018-10-09 19:40 +0200
                Re: C idioms (Was: >< swap operator) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-09 12:38 -0700
                Re: C idioms (Was: >< swap operator) Wouter Verhelst <w@uter.be> - 2018-10-09 23:41 +0200
                Re: C idioms (Was: >< swap operator) Wouter Verhelst <w@uter.be> - 2018-10-09 19:38 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-07 15:04 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-07 16:37 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-07 16:58 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-07 12:17 -0400
                Grammar police! (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-07 20:37 +0000
                Re: >< swap operator jameskuyper@alumni.caltech.edu - 2018-10-07 09:31 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-07 18:09 +0100
                Re: >< swap operator jameskuyper@alumni.caltech.edu - 2018-10-07 14:05 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-07 22:35 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-08 02:56 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-08 10:48 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 12:09 +0100
                Re: >< swap operator Ike Naar <ike@iceland.freeshell.org> - 2018-10-08 16:00 +0000
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 17:44 +0100
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-08 10:39 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 20:08 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-09 11:22 +0200
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-09 09:25 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-09 20:43 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-09 20:15 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-09 22:26 +0200
                Re: >< swap operator Ike Naar <ike@iceland.freeshell.org> - 2018-10-08 21:09 +0000
                Re: >< swap operator David Kleinecke <dkleinecke@gmail.com> - 2018-10-08 15:18 -0700
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-08 07:55 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-09 11:24 +0200
                Re: >< swap operator jameskuyper@alumni.caltech.edu - 2018-10-08 07:19 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 16:26 +0100
                Re: >< swap operator jameskuyper@alumni.caltech.edu - 2018-10-10 10:59 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 19:53 +0100
                Re: >< swap operator James Kuyper <jameskuyper@alumni.caltech.edu> - 2018-10-07 18:00 -0400
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-07 17:10 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 01:25 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-08 02:51 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 11:29 +0100
                Re: >< swap operator mark.bluemel@gmail.com - 2018-10-08 04:41 -0700
                Re: >< swap operator jameskuyper@alumni.caltech.edu - 2018-10-08 07:56 -0700
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-08 08:36 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 17:34 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-08 21:35 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 22:00 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-09 00:47 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-09 01:11 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-09 02:47 +0100
                Re: >< swap operator mark.bluemel@gmail.com - 2018-10-09 00:49 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-09 11:28 +0100
                Re: >< swap operator gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-09 13:00 +0000
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-08 10:28 -0700
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-08 10:49 -0700
                Re: >< swap operator Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-10-07 20:00 -0600
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-06 13:07 -0700
                Re: >< swap operator gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 23:35 +0000
                Re: >< swap operator Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-06 03:49 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-06 16:18 +0200
                Re: >< swap operator scott@slp53.sl.home (Scott Lurndal) - 2018-10-06 14:48 +0000
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-06 12:53 -0700
                Re: >< swap operator scott@slp53.sl.home (Scott Lurndal) - 2018-10-07 16:38 +0000
                Re: >< swap operator James Kuyper <jameskuyper@alumni.caltech.edu> - 2018-10-07 15:56 -0400
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-07 16:53 -0700
                Re: >< swap operator David Kleinecke <dkleinecke@gmail.com> - 2018-10-07 17:07 -0700
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-07 17:24 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-08 01:30 +0100
                Re: >< swap operator Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2018-10-07 19:12 -0600
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-06 18:26 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-06 19:41 +0100
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-06 13:05 -0700
                Re: >< swap operator Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-07 02:24 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-07 12:41 +0200
                100% of the user base... (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-06 00:22 +0000
                Re: 100% of the user base... (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-06 01:55 +0100
                Re: 100% of the user base... (Was: >< swap operator) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-06 03:58 -0700
                Re: 100% of the user base... (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-06 11:51 +0000
                Re: 100% of the user base... (Was: >< swap operator) Bart <bc@freeuk.com> - 2018-10-06 13:09 +0100
                Re: 100% of the user base... (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-06 05:26 -0700
                Re: 100% of the user base... (Was: >< swap operator) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-06 05:40 -0700
                Re: 100% of the user base... (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-06 12:46 +0000
                Re: 100% of the user base... (Was: >< swap operator) Melzzzzz <Melzzzzz@zzzzz.com> - 2018-10-06 12:46 +0000
                Re: 100% of the user base... (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-06 12:49 +0000
                Re: 100% of the user base... (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-06 06:27 -0700
                Re: 100% of the user base... (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-07 12:47 +0000
                Re: 100% of the user base... (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-07 09:03 -0400
                Re: 100% of the user base... (Was: >< swap operator) scott@slp53.sl.home (Scott Lurndal) - 2018-10-07 16:47 +0000
                Re: >< swap operator Wouter Verhelst <w@uter.be> - 2018-10-05 10:17 +0200
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 09:20 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 10:58 +0100
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 12:09 +0200
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-05 03:11 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 07:56 -0400
                Re: >< swap operator Wouter Verhelst <w@uter.be> - 2018-10-05 14:25 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 08:39 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 15:47 +0100
                Re: >< swap operator Wouter Verhelst <w@uter.be> - 2018-10-05 17:30 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 11:41 -0400
                Re: >< swap operator Wouter Verhelst <w@uter.be> - 2018-10-05 17:56 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 12:00 -0400
                Re: >< swap operator Richard Damon <Richard@Damon-Family.org> - 2018-10-05 12:34 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 12:48 -0400
                Re: >< swap operator Richard Damon <Richard@Damon-Family.org> - 2018-10-05 13:55 -0400
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-05 11:20 -0700
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 14:45 -0400
                Re: >< swap operator Richard Damon <Richard@Damon-Family.org> - 2018-10-05 21:39 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-07 08:51 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-11-25 14:18 -0800
                Re: >< swap operator Anton Shepelev <anton.txt@g{oogle}mail.com> - 2018-10-05 15:46 +0300
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 06:05 -0700
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 06:16 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 15:09 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 10:18 -0400
                Re: >< swap operator Anton Shepelev <anton.txt@g{oogle}mail.com> - 2018-10-05 17:32 +0300
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 10:34 -0400
                Of course it is crazy! (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 15:17 +0000
                Re: >< swap operator gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 18:30 +0000
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 14:48 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 15:06 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 13:55 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 06:14 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 16:18 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 10:21 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 17:27 +0200
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-05 15:26 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 10:28 -0400
                Re: >< swap operator gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 14:46 +0000
                When pigs fly... (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 16:10 +0000
                Re: >< swap operator Anton Shepelev <anton.txt@g{oogle}mail.com> - 2018-10-05 17:35 +0300
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 10:46 -0400
                Re: >< swap operator gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 15:15 +0000
                6K years??? (Was: >< swap operator) gazelle@shell.xmission.com (Kenny McCormack) - 2018-10-05 13:20 +0000
                Re: 6K years??? (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 09:28 -0400
                Re: 6K years??? (Was: >< swap operator) Wouter Verhelst <w@uter.be> - 2018-10-05 17:53 +0200
                Re: 6K years??? (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 11:56 -0400
                Re: 6K years??? (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-05 18:17 +0200
                Re: 6K years??? (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 09:21 -0700
                Re: 6K years??? (Was: >< swap operator) David Brown <david.brown@hesbynett.no> - 2018-10-05 18:50 +0200
                Re: 6K years??? (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 12:52 -0400
                Re: 6K years??? (Was: >< swap operator) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-05 13:05 -0400
                Re: 6K years??? (Was: >< swap operator) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-06 03:42 -0700
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-05 15:59 +0200
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-06 03:45 +0100
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-04 11:22 -0700
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-04 20:35 +0100
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-04 13:28 +0100
                Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-10-04 17:59 +0100
                Re: >< swap operator John Bode <jfbode1029@gmail.com> - 2018-10-04 09:56 -0700
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 06:03 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-03 14:37 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 09:51 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 15:39 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 10:05 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 10:09 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 16:22 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 10:29 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 20:52 +0200
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-03 14:57 -0400
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 16:06 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-03 00:09 +0100
                Re: >< swap operator Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2018-10-02 19:21 -0400
                Re: >< swap operator David Brown <david.brown@hesbynett.no> - 2018-10-03 11:21 +0200
                Re: >< swap operator Thiago Adams <thiago.adams@gmail.com> - 2018-10-02 13:43 -0700
                Re: >< swap operator scott@slp53.sl.home (Scott Lurndal) - 2018-10-02 21:01 +0000
                Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 14:29 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 22:37 +0100
                Re: >< swap operator Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-03 05:07 -0700
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 21:01 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 16:06 -0400
                Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 21:45 +0100
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 17:09 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 16:11 -0400
                Re: >< swap operator "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2018-10-02 16:22 -0400
                Re: >< swap operator Thiago Adams <thiago.adams@gmail.com> - 2018-10-02 13:17 -0700
                Re: >< swap operator Thiago Adams <thiago.adams@gmail.com> - 2018-10-02 13:24 -0700
                Re: >< swap operator scott@slp53.sl.home (Scott Lurndal) - 2018-10-02 15:04 +0000
                Re: >< swap operator Niles Rogoff <eternal-september@niles.xyz> - 2018-10-03 18:28 +0000
  Re: >< swap operator Thiago Adams <thiago.adams@gmail.com> - 2018-08-14 11:50 -0700
  Re: >< swap operator Siri Cruise <chine.bleu@yahoo.com> - 2018-08-14 17:07 -0700
    Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 02:22 -0700
      Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 02:34 -0700
        Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 03:09 -0700
      Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 03:24 -0700
        Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 04:51 -0700
          Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 05:06 -0700
      Re: >< swap operator Siri Cruise <chine.bleu@yahoo.com> - 2018-08-15 04:21 -0700
        Re: >< swap operator Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-08-15 14:43 +0100
          Re: >< swap operator fir <profesor.fir@gmail.com> - 2018-08-15 07:08 -0700
          Re: >< swap operator Bart <bc@freeuk.com> - 2018-08-15 16:52 +0100
        Re: >< swap operator Ike Naar <ike@iceland.freeshell.org> - 2018-08-15 15:51 +0000
  Re: >< swap operator John Bode <jfbode1029@gmail.com> - 2018-10-01 14:59 -0700
    Re: >< swap operator Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-10-02 03:06 -0700
    Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 11:43 +0100
      Re: >< swap operator John Bode <jfbode1029@gmail.com> - 2018-10-02 07:27 -0700
        Re: >< swap operator Bart <bc@freeuk.com> - 2018-10-02 15:43 +0100
          Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 11:01 -0700
        Re: >< swap operator Keith Thompson <kst-u@mib.org> - 2018-10-02 10:54 -0700
          Re: >< swap operator Thiago Adams <thiago.adams@gmail.com> - 2018-10-02 12:39 -0700
  Re: >< swap operator skybuck2000@hotmail.com - 2018-10-10 18:10 -0700
  Re: >< swap operator skybuck2000@hotmail.com - 2018-10-10 18:24 -0700

csiph-web