Re: Understanding the "let" construct and the setting of variables

[Michael Heerdegen <michael_heerdegen@web.de>]

<tomas@tuxteam.de> writes:

> > > I would thing the variable has to be made somewhere.
> > > In fact people talk about "unboundp".
> > 
> > A variable can be unbound.  Would be hard to call `boundp' with a
> > variable that doesn't exist.
>
> But then, you don't call `boundp' on variables. You call it on
> symbols.

Yes, `boundp' is even lexical scoping agnostic, and (boundp t) ==> t,
although `t' is not very...variable.

> AFAIK (but I could be wrong, corrections welcome!) there's no explicit
> notion of variable in Emacs Lisp, i.e. you cah't "have" a variable
> object and manipulate it directly.
>
> That doesn't mean they don't exist -- I fancy them living in the grey
> area between symbols and bindings.

Well said.

Regards,

Michael.