[Python-ideas] Cofunctions - Back to Basics

[Greg Ewing]

Still feeling in a peppish mood after the last round of PEP 335,
I decided to revisit my cofunctions proposal. Last time round, I
allowed myself to be excessively swayed by popular opinion, and
ended up with something that lacked elegance and failed to address
the original issues.

So, I've gone right back to my initial idea. The current version
of the draft PEP can be found here:

http://www.cosc.canterbury.ac.nz/greg.ewing/python/generators/cd_current/cofunction-pep-rev5.txt

together with updated examples here:

http://www.cosc.canterbury.ac.nz/greg.ewing/python/generators/cd_current/Examples/

and prototype implementation available from:

http://www.cosc.canterbury.ac.nz/greg.ewing/python/generators/cofunctions.html

In a nutshell, the 'cocall' syntax is gone. Inside a cofunction, if
an object being called implements __cocall__, then a cocall (implicit
yield-from) is performed automatically, otherwise a normal call is
made.

-- 
Greg