Re: Loops (was Re: do { quit; } else { })

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Sujet : Re: Loops (was Re: do { quit; } else { })
De : already5chosen (at) *nospam* yahoo.com (Michael S)
Groupes : comp.lang.c
Date : 05. May 2025, 08:42:09
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <20250505104209.0000412b@yahoo.com>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
User-Agent : Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-w64-mingw32)
On Sun, 4 May 2025 18:08:33 +0300
Michael S <already5chosen@yahoo.com> wrote:

On Sun, 04 May 2025 07:31:11 -0700
Tim Rentsch <tr.17687@z991.linuxsc.com> wrote:
 
Michael S <already5chosen@yahoo.com> writes:
 
On Tue, 15 Apr 2025 11:30:24 +0100
bart <bc@freeuk.com> wrote:
  
Let me ask you this:  what exactly is the point of the 'while'
statement in C?  Since it can always be trivially be written as:
>
    for (;cond;)
>
It seems to that most use cases (initialise, check exit
condition, change something that affects the letter), would suit
'for' better.
>
But since 'for' then becomes overloaded, there ought to be a
dedicated feature for simple iteration.  So it seems the solution
is as a I suggested above.   
>
I suspect that 'while' loop is here in C because Dennis Ritchie
wanted 'do .. while() ' and thought that if the keyword is here
anyway than why not reuse it?   
 
According to K&R, all of the basic control structures in C -- if,
while, for, do, and switch (and listed in that order) -- were
provided in BCPL, though not using the same syntax as in C,.
 
In the hindsight, probably a mistake.   
 
I admit I don't understand this reaction. 
 
I don't like reuse of keyboards. Neither of 'while' nor of 'break' nor
                        ^^^^^^^^^
keywords

of 'static' (even more so in C++) nor use of 'long' modifier both for
integer and for floating-point types.
Double meaning of 'while' adds unnecessary mental load for a code
reader. Not a lot of it, but still unnecessary.
Also having just one form of loop with pre-condition strikes me as
more elegant. Since elegance is strongly subjective, I have no logical
arguments in support of me feelings.
                          ^^
my

 
 



Date Sujet#  Auteur
4 Apr 25 * do { quit; } else { }625Thiago Adams
4 Apr 25 +* Re: do { quit; } else { }2bart
4 Apr 25 i`- Re: do { quit; } else { }1Thiago Adams
4 Apr 25 +* Re: do { quit; } else { }11Kaz Kylheku
4 Apr 25 i+* Re: do { quit; } else { }3Thiago Adams
4 Apr 25 ii`* Re: do { quit; } else { }2Kaz Kylheku
4 Apr 25 ii `- Re: do { quit; } else { }1Chris M. Thomasson
4 Apr 25 i+* Re: do { quit; } else { }4Kaz Kylheku
4 Apr 25 ii+* Re: do { quit; } else { }2Thiago Adams
4 Apr 25 iii`- Re: do { quit; } else { }1Thiago Adams
8 Apr 25 ii`- Re: do { quit; } else { }1candycanearter07
5 Apr 25 i`* Re: do { quit; } else { }3Janis Papanagnou
5 Apr 25 i +- Re: do { quit; } else { }1Janis Papanagnou
6 Apr 25 i `- Re: do { quit; } else { }1Michael S
4 Apr 25 +* Re: do { quit; } else { }608Tim Rentsch
4 Apr 25 i`* Re: do { quit; } else { }607Thiago Adams
6 Apr 25 i +* Re: do { quit; } else { }600Tim Rentsch
6 Apr 25 i i+* Re: do { quit; } else { }550Michael S
6 Apr 25 i ii`* Re: do { quit; } else { }549Tim Rentsch
6 Apr 25 i ii `* Re: do { quit; } else { }548Michael S
7 Apr 25 i ii  `* Re: do { quit; } else { }547Tim Rentsch
7 Apr 25 i ii   `* Re: do { quit; } else { }546Michael S
7 Apr 25 i ii    +* Re: do { quit; } else { }542bart
8 Apr 25 i ii    i`* Re: do { quit; } else { }541David Brown
8 Apr 25 i ii    i `* Re: do { quit; } else { }540bart
8 Apr 25 i ii    i  +* Re: do { quit; } else { }535David Brown
8 Apr 25 i ii    i  i`* Re: do { quit; } else { }534bart
8 Apr 25 i ii    i  i +* Re: do { quit; } else { }78Tim Rentsch
8 Apr 25 i ii    i  i i`* Re: do { quit; } else { }77bart
8 Apr 25 i ii    i  i i +* Re: do { quit; } else { }74Tim Rentsch
8 Apr 25 i ii    i  i i i`* Re: do { quit; } else { }73bart
9 Apr 25 i ii    i  i i i `* Re: do { quit; } else { }72Tim Rentsch
9 Apr 25 i ii    i  i i i  `* Re: do { quit; } else { }71bart
9 Apr 25 i ii    i  i i i   +- Re: do { quit; } else { }1Chris M. Thomasson
9 Apr 25 i ii    i  i i i   +- Re: do { quit; } else { }1Chris M. Thomasson
9 Apr 25 i ii    i  i i i   `* Re: do { quit; } else { }68Tim Rentsch
10 Apr 25 i ii    i  i i i    +* Re: do { quit; } else { }63bart
10 Apr 25 i ii    i  i i i    i+* Re: do { quit; } else { }61Kaz Kylheku
10 Apr 25 i ii    i  i i i    ii+* Re: do { quit; } else { }2Michael S
10 Apr 25 i ii    i  i i i    iii`- Re: do { quit; } else { }1Kaz Kylheku
10 Apr 25 i ii    i  i i i    ii`* Re: do { quit; } else { }58bart
10 Apr 25 i ii    i  i i i    ii +* Re: do { quit; } else { }43Keith Thompson
10 Apr 25 i ii    i  i i i    ii i+* Re: do { quit; } else { }39bart
10 Apr 25 i ii    i  i i i    ii ii+* Re: Endless complaints [was Re: do { quit; } else { }]16bart
10 Apr 25 i ii    i  i i i    ii iii+* Re: Endless complaints [was Re: do { quit; } else { }]14Janis Papanagnou
11 Apr 25 i ii    i  i i i    ii iiii`* Re: Endless complaints [was Re: do { quit; } else { }]13bart
11 Apr 25 i ii    i  i i i    ii iiii +- Re: Endless complaints [was Re: do { quit; } else { }]1Keith Thompson
11 Apr 25 i ii    i  i i i    ii iiii +- Re: Endless complaints [was Re: do { quit; } else { }]1Kaz Kylheku
11 Apr 25 i ii    i  i i i    ii iiii `* Re: Endless complaints [was Re: do { quit; } else { }]10David Brown
11 Apr 25 i ii    i  i i i    ii iiii  `* Re: Endless complaints [was Re: do { quit; } else { }]9bart
11 Apr 25 i ii    i  i i i    ii iiii   +* Re: Endless complaints [was Re: do { quit; } else { }]5Michael S
11 Apr 25 i ii    i  i i i    ii iiii   i`* Re: Endless complaints [was Re: do { quit; } else { }]4bart
11 Apr 25 i ii    i  i i i    ii iiii   i `* Re: Endless complaints [was Re: do { quit; } else { }]3Michael S
11 Apr 25 i ii    i  i i i    ii iiii   i  +- Re: Endless complaints [was Re: do { quit; } else { }]1Janis Papanagnou
11 Apr 25 i ii    i  i i i    ii iiii   i  `- Re: Endless complaints [was Re: do { quit; } else { }]1bart
11 Apr 25 i ii    i  i i i    ii iiii   +- Re: Endless complaints [was Re: do { quit; } else { }]1David Brown
11 Apr 25 i ii    i  i i i    ii iiii   +- Re: Endless complaints1Tim Rentsch
11 Apr 25 i ii    i  i i i    ii iiii   `- Re: Endless complaints [was Re: do { quit; } else { }]1Keith Thompson
10 Apr 25 i ii    i  i i i    ii iii`- Re: Endless complaints [was Re: do { quit; } else { }]1Keith Thompson
10 Apr 25 i ii    i  i i i    ii ii`* Re: do { quit; } else { }22Keith Thompson
11 Apr 25 i ii    i  i i i    ii ii `* Re: do { quit; } else { }21bart
11 Apr 25 i ii    i  i i i    ii ii  `* Re: do { quit; } else { }20Keith Thompson
11 Apr 25 i ii    i  i i i    ii ii   `* Re: do { quit; } else { }19Michael S
11 Apr 25 i ii    i  i i i    ii ii    +- Re: do { quit; } else { }1David Brown
11 Apr 25 i ii    i  i i i    ii ii    +* Re: do { quit; } else { }16Kaz Kylheku
11 Apr 25 i ii    i  i i i    ii ii    i+* Re: do { quit; } else { }2bart
11 Apr 25 i ii    i  i i i    ii ii    ii`- Re: do { quit; } else { }1Keith Thompson
13 Apr 25 i ii    i  i i i    ii ii    i`* Re: do { quit; } else { }13Michael S
12 May 25 i ii    i  i i i    ii ii    i `* Re: do { quit; } else { }12Tim Rentsch
12 May 25 i ii    i  i i i    ii ii    i  `* Re: do { quit; } else { }11David Brown
12 May 25 i ii    i  i i i    ii ii    i   `* Re: do { quit; } else { }10Keith Thompson
13 May 25 i ii    i  i i i    ii ii    i    `* Re: do { quit; } else { }9David Brown
14 May 25 i ii    i  i i i    ii ii    i     `* Re: do { quit; } else { }8James Kuyper
14 May 25 i ii    i  i i i    ii ii    i      +* Re: do { quit; } else { }6Keith Thompson
14 May 25 i ii    i  i i i    ii ii    i      i+* Re: do { quit; } else { }4James Kuyper
14 May 25 i ii    i  i i i    ii ii    i      ii`* Re: do { quit; } else { }3David Brown
14 May 25 i ii    i  i i i    ii ii    i      ii +- Re: do { quit; } else { }1Kaz Kylheku
15 May 25 i ii    i  i i i    ii ii    i      ii `- Re: do { quit; } else { }1James Kuyper
14 May 25 i ii    i  i i i    ii ii    i      i`- Re: do { quit; } else { }1David Brown
14 May 25 i ii    i  i i i    ii ii    i      `- Re: do { quit; } else { }1Tim Rentsch
11 Apr 25 i ii    i  i i i    ii ii    `- Re: do { quit; } else { }1Keith Thompson
6 May 25 i ii    i  i i i    ii i`* Re: do { quit; } else { }3Tim Rentsch
6 May 25 i ii    i  i i i    ii i `* Re: do { quit; } else { }2Keith Thompson
6 May 25 i ii    i  i i i    ii i  `- Re: do { quit; } else { }1Tim Rentsch
10 Apr 25 i ii    i  i i i    ii `* Re: do { quit; } else { }14Kaz Kylheku
10 Apr 25 i ii    i  i i i    ii  +* Re: do { quit; } else { }11bart
10 Apr 25 i ii    i  i i i    ii  i+* Re: do { quit; } else { }2Kaz Kylheku
11 Apr 25 i ii    i  i i i    ii  ii`- Re: do { quit; } else { }1bart
11 Apr 25 i ii    i  i i i    ii  i+* Re: do { quit; } else { }6Tim Rentsch
11 Apr 25 i ii    i  i i i    ii  ii`* Re: do { quit; } else { }5Keith Thompson
11 Apr 25 i ii    i  i i i    ii  ii `* Re: do { quit; } else { }4Tim Rentsch
11 Apr 25 i ii    i  i i i    ii  ii  `* Re: do { quit; } else { }3Keith Thompson
11 Apr 25 i ii    i  i i i    ii  ii   +- Re: do { quit; } else { }1bart
5 May 25 i ii    i  i i i    ii  ii   `- Re: do { quit; } else { }1Tim Rentsch
11 Apr 25 i ii    i  i i i    ii  i+- Re: do { quit; } else { }1Keith Thompson
11 Apr 25 i ii    i  i i i    ii  i`- Re: do { quit; } else { }1Keith Thompson
10 Apr 25 i ii    i  i i i    ii  +- Re: do { quit; } else { }1bart
10 Apr 25 i ii    i  i i i    ii  `- Re: do { quit; } else { }1Kaz Kylheku
11 Apr 25 i ii    i  i i i    i`- Re: do { quit; } else { }1Tim Rentsch
9 May 25 i ii    i  i i i    `* Re: do { quit; } else { }4Bonita Montero
9 May 25 i ii    i  i i i     `* Re: do { quit; } else { }3Richard Heathfield
9 Apr 25 i ii    i  i i +- Re: do { quit; } else { }1Richard Damon
9 Apr 25 i ii    i  i i `- Re: do { quit; } else { }1David Brown
9 Apr 25 i ii    i  i `* Re: do { quit; } else { }455David Brown
8 Apr 25 i ii    i  +- Re: do { quit; } else { }1Tim Rentsch
9 Apr 25 i ii    i  `* Re: do { quit; } else { }3Ike Naar
8 Apr 25 i ii    `* Re: do { quit; } else { }3Tim Rentsch
6 Apr 25 i i`* Re: do { quit; } else { }49Michael S
7 May 25 i `* Re: do { quit; } else { }6Wuns Haerst
6 Apr 25 +- Re: do { quit; } else { }1Lawrence D'Oliveiro
6 Apr 25 +- Re: do { quit; } else { }1David Brown
18 Apr 25 `- Re: do { quit; } else { }1Mikko

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