[Gambas-user] Possible error when doing math on bytes

[Jussi Lahtinen]

>
> for the last 5 or 6 years we could depend on this, So many of my code in
> many applications is now broken.
> like expecting adding one to 255 to wrap to zero etc...
>

So the problem is not the lack of negative numbers, but the need for the
"wrap"?
That can be implemented by mod. Change the bytes to integers (and put them
as properties of classes if not already). Then use mod on the change of the
value.


This is normal behavior for unsigned numbers.
>

In C and other low level languages... otherwise not really.


Jussi
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