Re: Bug with unset variables

[Felipe Contreras <felipe.contreras@xxxxxxxxx>]

On Fri, Nov 13, 2020 at 4:17 PM Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:

> Given the latter implementation of "unset", we're now asked to declare
> local scopes.  The most straightforward step without an architectural
> change, is to cause the data structure to come into existence, so that
> we know its name, and add metadata about its scope; but the existence
> of the name implies that SOME value becomes visible to the program.
> The historical precedent for the default behavior is established.

The most straightforward way is not necessarily the best way.

Very often the best way takes effort.

-- 
Felipe Contreras