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From: Clutterfreak <clutterfreakincarnate@gmail.com>
Newsgroups: comp.os.linux.setup,comp.os.linux.advocacy,sci.physics
Subject: Re: I think in FORTH & program in C/C++.
Date: Mon, 4 Oct 2021 01:51:06 -0500
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On 10/4/2021 12:12 AM, Branimir Maksimovic wrote:
> On 2021-10-04, Clutterfreak <clutterfreakincarnate@gmail.com> wrote:
>> On 10/3/2021 8:47 PM, rbowman wrote:
>>> 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.
>>
>>
>> My point is that "for loop" is a screwdriver of length 9.0 inches and
>> the other two "while things" are screwdrivers of 9.00001 inches and
>> 9.00002 inches respectively :)
>>
>> I don't see them as one being a screwdriver and the other a chisel at
>> all. All three are _practically_ EXACTLY the same screwdriver.
>>
> Rust and Swift use for loop in terms of counting loop, while
> while loop for rest of cases ...
> 


For loop is of course slightly easier to use when the maximum number of 
iterations is known in advance. As long as the test expression is 
boolian true it keeps repeating. So you are free to arrange your 
condition in any manner you deem necessary without modifying the counter 
variable inside the block.

This is the form of for loop that is identical to a while loop:

int i=1
for (;i<=someValue;)
{
    ....
    i++;

}

It even looks like a while loop :) But certainly works like a while loop 
including the fact that in this form of for loop scope of the counter 
isn't limited to the for loop block (in standard form of for loop 
counter value only exists inside for loop block).



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