[Python-Dev] EuroPython Language Summit report

[Greg Ewing]

P.J. Eby wrote:
> At 10:46 AM 6/25/2011 +1000, Nick Coghlan wrote:
> 
>> Indeed, PEP 380 is *really* hard to do properly without language
>> support.
> 
> No, it isn't.  You add a decorator, a 'from_' class, and a 'return_' 
> function, and there you go.  (See my previous code sketches here in 
> early PEP 380 discussions.)

Will it handle *all* of the generator protocol correctly,
including send(), exception handling, and generator closing?

Also, how efficient would it be? A major benefit of a built-in
implementation is that it can be almost as fast as using the
sub-generator directly.

-- 
Greg