Subject:
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Re: RCX 2.0 Arrays
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Sat, 25 Aug 2001 22:46:30 GMT
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Viewed:
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2391 times
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The NQC manual says...
"Neither arrays nor their elements can be used with the increment (++) or
decrement (--) operators."
I guess it's not quite C :-)
"Frank Caggiano" <caggiano@crystal-objects.com> wrote in message
news:3B880F15.7745E737@crystal-objects.com...
>
> I wanted to increment the value contained in an array. I did array[0]++;
>
> NQC complained:
>
> ERROR expression is not a legal target for assignment.
>
> The carrot under array[0]++ pointed to the index value, that is the 0.
> It seems NQC thought I was trying to increment the index and not the
> value. In c, at least, you would do array[x++] to increment the index.
>
> NQC doesn't complain about array[x++] = y and it appears to do the
> correct thing.
> Y goes into array[x] and x is incremented.
>
> Hope this makes sense.
>
> --
> Frank Caggiano "The best education for the best
> caggiano@crystal-objects.com is the best education for all."
> http://www.crystal-objects.com/ Robert M. Hutchins
>
> Logo Users Ring
> http://www.crystal-objects.com/logo/logoring.html
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Message has 2 Replies:
 | | Re: RCX 2.0 Arrays
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| (...) Fixing that has been on the to-do list for a long time. But it just isn't a high priority since there are easy workarounds. Right now adding USB support is top priority. Dave Baum (23 years ago, 26-Aug-01, to lugnet.robotics.rcx.nqc)
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Message is in Reply To:
| | RCX 2.0 Arrays
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| I wanted to increment the value contained in an array. I did array[0]++; NQC complained: ERROR expression is not a legal target for assignment. The carrot under array[0]++ pointed to the index value, that is the 0. It seems NQC thought I was trying (...) (23 years ago, 25-Aug-01, to lugnet.robotics.rcx.nqc)
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