[Gambas-user] R: Unending cycle "For...Next" with variable As Byte

[Jussi Lahtinen]

I think all Basics work this way!

Test with any basic:

For ii = 1 to 10
Next

Print ii

What you expect? I think all basic languages gives 11 as result.

Jussi





On Sun, Sep 30, 2012 at 10:14 PM, Kevin Fishburne <
kevinfishburne at ...1887...> wrote:

> This one bit me a while back and the answer was the same and I confirmed
> it through testing. Maybe the documentation for For...Next should
> mention it. I suspect many BASIC dialects don't work this way, which
> could lead to confusion for new users of GAMBAS. I could be wrong, but I
> think even GAMBAS used to not work this way, which makes the issue even
> more confusing. Then again, the root of the issue doesn't really have
> anything to do with For...Next but in how variables deal with
> assignments that are out of range.
>
> On 09/30/2012 11:40 AM, Jussi Lahtinen wrote:
> > It is not bug, Richard is right.
> >
> > Jussi
> >
> >
> >
> > On Sun, Sep 30, 2012 at 6:32 PM, Tobias Boege <taboege at ...626...> wrote:
> >
> >> On Sun, 30 Sep 2012, Ru Vuott wrote:
> >>> ...I have:
> >>>
> >>> [Gambas 3]
> >>> Version=3.3.0
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> --- Dom 30/9/12, Ru Vuott <vuott at ...325...> ha scritto:
> >>>
> >>>> Da: Ru Vuott <vuott at ...325...>
> >>>> Oggetto: [Gambas-user] Unending cycle "For...Next" with variable As
> >> Byte
> >>>> A: gambas-user at lists.sourceforge.net
> >>>> Data: Domenica 30 settembre 2012, 16:57
> >>>> Hello,
> >>>>
> >>>> maybe I'm in the clouds.... but I don't understand why this
> >>>> cycle:
> >>>>
> >>>> **********
> >>>> Public Sub Button1_Click()
> >>>>
> >>>> ? Dim j As Byte
> >>>>
> >>>> ? For j = 0 To 255
> >>>>
> >>>> ???Print j
> >>>>
> >>>> ? Next
> >>>>
> >>>> End
> >>>> **********
> >>>>
> >>>> runs "ad infinitum" !
> >>>>
> >>>> Regards
> >>>> vuott
> >>>>
> >> Can confirm that with rev5189. Richard's guess sounds logical. "For To"
> is
> >> inclusive: [0; 255] and that's everything you can represent with Byte
> >> width.
> >> You won't ever detect Byte > 255.
> >>
> >>
>
> --
> Kevin Fishburne
> Eight Virtues
> www: http://sales.eightvirtues.com
> e-mail: sales at ...1887...
> phone: (770) 853-6271
>
>
>
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