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DarkBASIC Professional Discussion / Question about ARRAY commands.

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KISTech
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Joined: 8th Feb 2008
Location: Aloha, Oregon
Posted: 16th Feb 2011 19:21
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What's the difference between

ADD TO QUEUE Array()

and

ARRAY INSERT AT BOTTOM Array()

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IanM
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Posted: 16th Feb 2011 19:40
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There's no difference. In fact, the ADD TO QUEUE calls the ARRAY INSERT AT BOTTOM to do its job.

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KISTech
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Posted: 16th Feb 2011 20:40
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I didn't really see a difference, just thought I'd ask to make sure.

Thanks.

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Sasuke
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Posted: 16th Feb 2011 20:45
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Quote: "There's no difference"


So whats the point of it?
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IanM
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Posted: 16th Feb 2011 20:58
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Simplification and standardisation.

When you want to use an array as a queue, there are commands there with 'queue' in the name. Same for stacks. All others deal with arrays as lists.

They each generally modify the array in the required way, but they also set the 'current' index of the array appropriately too.

See my codebase entries for examples (I don't think the code is too out of date).

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KISTech
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Posted: 16th Feb 2011 21:25
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One more question for ya.

Does UNDIM on an array free up the strings, or do you still need to do a x$(x) = Free String$() and then UNDIM x$()?

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IanM
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Posted: 16th Feb 2011 21:57
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UNDIM frees strings - Lee added the code for straight string arrays, and I added to it last year so that it also worked for strings within UDT's too.

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KISTech
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Posted: 16th Feb 2011 22:08
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Nice. That makes things MUCH easier.

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enderleit
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Posted: 16th Feb 2011 23:53
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Hehe, I never knew about freeing strings when undimming... guess I don't have to anymore either then...

- Martin Enderleit
http://sites.google.com/site/menderleit
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