[Python-Dev] PEP 340: Deterministic Finalisation (new PEP draft, either a competitor or update to PEP 340)

[Eric Nieuwland]

Josiah Carlson wrote:
> Eric Nieuwland <eric.nieuwland at xs4all.nl> wrote:
>> I don't know. Using 'del' in that place seems ackward to me.
>> Why not use the following rule:
>> 	for [VAR in] EXPR:
>> 		SUITE
>> If EXPR is an iterator, no finalisation is done.
>> If EXPR is not an iterator, it is created at the start and destroyed 
>> at
>> the end of the loop.
>
> You should know why that can't work.  If I pass a list, is a list an
> iterator?  No, but it should neither be created nor destroyed before or
> after.

I suggested to create AN ITERATOR FOR THE LIST and destroy that at the 
end. The list itself remains untouched.

--eric