Use cases for del

[Grant Edwards]

On 2005-07-06, Ron Adam <rrr at ronadam.com> wrote:

> It would be a way to set an argument as being optional without actually 
> assigning a value to it.  The conflict would be if there where a global 
> with the name baz as well.  Probably it would be better to use a valid 
> null value for what ever baz if for.  If it's a string then "", if its a 
> number then 0, if it's a list then [], etc...

Except those aren't "null values" for those types.  0 is a
perfectly good integer value, and I use it quite often. There's
a big difference between an "invalid integer value" and an
integer with value 0.

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