Re: Globals (more ruminations)

[Edgar Toernig <froese@...>]

Roberto Ierusalimschy wrote:
>
> - Any use (access and assignment) of "a" in the scope of a "global a"
> declaration is translated to "_ENV.a".
> 
> - Any access to a free "a" (that is, outside any declaration for "a")
> is translated to "_ENV.a".
> 
> - Any assignment to a free "a" that is outside the scope of any
> other global declaration is translated to "_ENV.a".
> 
> - An assignment to a free "a" that is inside the scope of another global
> declaration is an error ("attempt to assign to undeclared variable
> 'a'").

Rather bizarre ...

ET.