[Python-Dev] accumulator display syntax

[Guido van Rossum]

> > >     pipe = source
> > >     for p in predicates:
> > >         pipe = e for e in pipe if ^p(e)
> > 
> > Bah.  Arbitrary semantics bound to line-noise characters.  Guess what
> > that reminds me of. :-)
> 
> If anyone can think of anything less line-noisy, I'm
> open to suggestions. The important thing is the idea of
> explicitly capturing an enclosing binding, however it's
> expressed.

I think that no matter what notation you invent, this will remain an
unpythonic thing.  I can't quite explain why I feel that way.  Maybe
it's because it feels very strongly like a directive to the compiler
-- Python's compiler likes to stay out of the way and not need help.

--Guido van Rossum (home page: http://www.python.org/~guido/)