[Python-Dev] Re: decorate-sort-undecorate

[David Eppstein]

In article <A48AAE39.E892B3A at mail.google.com>,
 Peter Norvig <pnorvig at google.com> wrote:

> As it turns out, I have a proposed syntax for something I call an
> "accumulation display", and with it I was able to implement and test a
> SortBy in about a minute.  It uses the syntax
> 
> >>> [SortBy: abs(x) for x in (-2, -4, 3, 1)]
> [1, -2, 3, -4]
> 
> where SortBy is an expression (in this case an identifier bound to a
> class object), not a keyword.
...
> You can read the whole proposal at http:///www.norvig.com/pyacc.html

Would this proposal also allow [Yield: expr(x) for x in someiterator] ?

-- 
David Eppstein                      http://www.ics.uci.edu/~eppstein/
Univ. of California, Irvine, School of Information & Computer Science