How does one access a created sub?

[OmegaX]

I've never really used subs before, so now I'm confused as to accessing my sub. I have a sub DoMainMenu, but when I use the command GOSUB DoMainMenu, I get a "Label not defined" error. What am I doing wrong?

[OmegaX]

Sorry about that...I figured out how to do that...but I do have another question. Are line labels in the sub shared with the main program the same way variables are? I'm going to try this now...

[na_th_an]

Nope. Labels are only visible from within the bounds of the SUB where they belong.

There is one exception: You can have DATA after a label (only in the main section, not inside a sub) and you can RESTORE to that label from wherever.

[Agamemnus]

They're not shared, but the namespace is shared. You can't have duplicate labels in the program. IMHO, that is very unfortunate.

[Hexadecimal Disaster]

That's not unfortunate. That's just BASIC.

[Zack]

Just BASIC? In C, C++, etc., all variables/labels are completely within their scope - i.e. you can have duplicates there too, I think.

[Agamemnus]

Having separate label namespaces wouldn't kill anyone.

Powerbasic has this capability.

[na_th_an]

Nah, in PB you have the same restriction. With C happens the same, I believe.

[KiZ]

Aga, arent you the only one here who uses gotos and labels? Not unfortunate for us :wink: j/k