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

[Josiah Carlson]

Ron Adam <rrr at ronadam.com> wrote:
> There's also the possibility to use conditional looping based on the 
> value returned from the generator.
> 
> do VAR from EXPR if VAR==CONST:
>     BLOCK
> 
> This is a bit verbose, but it reads well. :-)

Reading well or not, this is not really an option for the same reasons
why...

  for VAR in EXPR1 if EXPR2:
or
  for VAR in EXPR1 while EXPR2:

are not options.  Keep it simple.


>     3.  Do-loops: An generator based loop with finalization:  This could 
> be both single and multiple pass.  The difference is determined by 
> weather or not the generator used loops the yield statement or not.

Offering only generator-based finalization loops is, as I understand it,
not an option.


 - Josiah