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DarkBASIC Professional Discussion / for next quizz?

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ICERGB
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Posted: 26th Oct 2003 01:45
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for i=1 to 3
for t=10 to 12
next t
next i
then technically the rotation goes like this...

i=1 t=10; i=1 t=11; i=1 t=12
i=2 t=10; i=2 t=11; i=2 t=12
i=3 t=10; i=3 t=11; i=3 t=12

So what happens if I go like this?
for i=1 to 3
for t=10 to 12
next i
next t

?????
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CattleRustler
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Posted: 26th Oct 2003 01:02
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will that even compile?

-RUST-
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Easily Confused
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Posted: 26th Oct 2003 01:05
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Something missing there, me thinks.

Programming anything is an art, and you can't rush art.
Unless your name is Bob Ross, then you can do it in thirty minutes.
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Kevin Picone
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Posted: 26th Oct 2003 01:12
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Yes it'll compile. Neither DB/DBpro bother to match the loop counter variable following the Next. It's doesn't change the nesting however. So you can use anything you like after the NEXT, it doesn't matter




Kevin Picone
Play Basic - Visible Worlds - Kyruss II
[url]www.underwaredesign.com[/url]
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Scraggle
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Posted: 26th Oct 2003 01:16 Edited at: 26th Oct 2003 01:18
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When I first read your post I thought it was a daft question for two reasons:
1) It obviously won't compile.
2) It is so short a code, why not simply try it and find out.

However, I did try it and was very suprised to find that
a)It does compile.
b)It gives exactly the same result as your first example.

So your question is valid, although maybe phrased differently, not what happens if? but why?



Try this 'slightly' modified code to see for yourself:




[EDIT] uwdesign explains all whilst I am typing.
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BatVink
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Posted: 26th Oct 2003 01:34
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I don't understand why the question was asked in the first place?!?!

I think you should use GOTO, this loop theory will never catch on, never mind nesting them.

BatVink (formerly StevieVee)
http://facepaint.me.uk/catalog/default.php
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CattleRustler
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Posted: 26th Oct 2003 04:11
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goto


-RUST-
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Codger
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Posted: 26th Oct 2003 04:18
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I came across this before

The variable after the next has no use (except it does serve the purpose of a sign post to tell you which "for" variable you were intending to increment.

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394 Mem GeForce 4 400MX
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ICERGB
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Posted: 26th Oct 2003 05:39 Edited at: 26th Oct 2003 06:02
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hmm then it is of no use- if it does nothing really?
I've never used it, but I've seen that DBPRo compiles it.
I was thinking maybe I could add a new calculation, but I think it is worthless to do such a thing.

Thank you!,

ICERGB

Here is a working sample;


(By the way, this is because -if you get multiplayer stats from DBPro they are going to be all over the place.)
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Codger
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Posted: 26th Oct 2003 05:45
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ICERB
How could you ever Program without using "a for next loop"?

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ICERGB
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Posted: 26th Oct 2003 05:50 Edited at: 26th Oct 2003 06:16
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for next loops sometimes make me stare for days,- but I get them!

At least I try to!

really hard
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