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Re: Defining functions within functions?


From: Emanuel Berg
Subject: Re: Defining functions within functions?
Date: Tue, 24 May 2016 23:36:26 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

Barry Margolin <address@hidden> writes:

>> "reassign the variable"?
>
> (defun foo-local (a) 
>   (flet ((bar ()
>            (incf a)))
>     (bar))
>   a)
>
> vs.
>
> (defun foo-global (a)
>   (setq a (bar a))
>   a)
> (defun bar (a)
>   (+1 a))

OK, so it is a situation with global variables?

Personally I never (?) use `setq' in defuns so
again this situation is hard to visualize in an
applied setting, but yes, I see
the reassignment.

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