global problems

[Richard Gaskin]

Jon wrote:
> I agree: it is unfortunate that the original language designers used the 
> term "global" to mean "persistent global".  Had they separated the 
> concept of scope from the concept of variable duration/lifetime, the 
> language would have been equally powerful while being easier to understand.

What is a non-persistent global?

In any language I've worked with, you declare a global and it stays in 
memory until you delete it or quit the program.

I don't know of any language that deletes globals automatically based on 
whether the app closes or opens files from disk.

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  Richard Gaskin
  Managing Editor, revJournal
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