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From: rbowman <bowman@montana.com>
Newsgroups: comp.os.linux.setup,comp.os.linux.advocacy,sci.physics
Subject: Re: I think in FORTH & program in C/C++.
Date: Sun, 3 Oct 2021 19:47:05 -0600
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Xref: csiph.com comp.os.linux.setup:4713 comp.os.linux.advocacy:595232 sci.physics:833655

On 10/03/2021 07:02 PM, Clutterfreak wrote:
> On 10/3/2021 12:49 PM, rbowman wrote:
>> On 10/02/2021 11:12 PM, Clutterfreak wrote:
>>>
>>> There's not a repetition that a do/while or a while loop can perform
>>> that cannot be performed by a for loop as efficiently and as clearly.
>>> I've not, in my life, used any loop that had a "while" in it in any of
>>> the few languages that I programmed with. I only see the word "while" in
>>> programming books and hear it others mentioning it. So it is not needed.
>>> It is just another alternator doing what alternators do.
>>
>> for (; test; ) {
>>     ....
>>     test = pigsFly();
>> }
>>
>> static int pigsFly(void) {
>>      return 0;
>> }
>>
>>
>> Congratulations! You've created a while loop assuming test is true at
>> the onset. When you only have a hammer...
>>
>> Sooner or later it comes down to
>>
>> JZ  get_me_out_of_here
>>
>
>
> Why would you want to use a for loop when you want block only to run once?
>

The ... ellipses assumed several complex blocks, one path of one which 
included questioning if pigs can fly and there was no iteration such as

for (i=0; i<=number_of_pigs; i++) {
     if (!can_pig_n_fly(i) break;
}

int can_pig_n_fly(int i) {
  if (moon_is_blue && i == 13) return 0;
  return 1;
}


I'm not arguing that you can't create the equivalent of a while loop 
with a for loop or that you can't use a screwdriver as a chisel.