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Wed Oct 22 22:34:08 EDT 2003 · https://mail.python.org/pipermail/python-dev/2003-October/039333.html

> Lying awake thinking about this sort of thing last night,
> I found myself wondering if there should be a way of
> explicitly requesting that a name be evaluated at closure 
> creation time, e.g.
> 
>     pipe = source
>     for p in predicates:
>         pipe = e for e in pipe if ^p(e)
> 
> where the ^ means that p is evaluated in the enclosing
> scope when the closure is created, and bound to a slot
> which behaves like a default-argument slot (but is
> separate from the default arguments).

Bah.  Arbitrary semantics bound to line-noise characters.  Guess what
that reminds me of. :-)

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

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[Python-Dev] accumulator display syntax